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type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " Although browsers and email clients may still support this attribute, it is obsolete. Use CSS {{IENzc3hyZWYoImJhY2tncm91bmQtaW1hZ2UiKSA=}} instead."
tr (96:3) => tableRow
type: "html"
value: "<td>Specifies the URL of an image file.<div class=\"note\"><p><strong>Note:</strong> Although browsers and email clients may still support this attribute, it is obsolete. Use CSS {{IENzc3hyZWYoImJhY2tncm91bmQtaW1hZ2UiKSA=}} instead.</p></div></td>"
td (106:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 14
shouldWrap: true
children:
type: "text"
value: "Background color of the element.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJhY2tncm91bmQtY29sb3IiKSA=}} property instead."
tr (103:3) => tableRow
type: "html"
value: "<td><p>Background color of the element.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJhY2tncm91bmQtY29sb3IiKSA=}} property instead.</p></div></td>"
td (117:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 15
shouldWrap: true
children:
type: "text"
value: "The border width.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJvcmRlciIpIA==}} property instead."
tr (114:3) => tableRow
type: "html"
value: "<td><p>The border width.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJvcmRlciIpIA==}} property instead.</p></div></td>"
td (173:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 25
shouldWrap: true
children:
type: "text"
value: "This attribute sets the text color using either a named color or a color specified in the hexadecimal #RRGGBB format.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImNvbG9yIikg}} property instead."
tr (170:3) => tableRow
type: "html"
value: "<td><p>This attribute sets the text color using either a named color or a color specified in the hexadecimal #RRGGBB format.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImNvbG9yIikg}} property instead.</p></div></td>"
td (334:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 56
shouldWrap: true
children:
type: "text"
value: "Specifies the height of elements listed here. For all other elements, use the CSS {{Y3NzeHJlZigiaGVpZ2h0Iik=}} property.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " In some instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoImhlaWdodCIpIA==}} property should be used instead."
tr (331:3) => tableRow
type: "html"
value: "<td><p>Specifies the height of elements listed here. For all other elements, use the CSS {{Y3NzeHJlZigiaGVpZ2h0Iik=}} property.</p><div class=\"note\"><p><strong>Note:</strong> In some instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoImhlaWdodCIpIA==}} property should be used instead.</p></div></td>"
td (385:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 65
shouldWrap: true
children:
type: "text"
value: "Specifies a "
type: "link"
title:
url: "/en-US/docs/Web/Security/Subresource_Integrity"
children:
type: "text"
value: "Subresource Integrity"
type: "text"
value: " value that allows browsers to verify what they fetch."
tr (382:3) => tableRow
type: "html"
value: "<td><p>Specifies a <a href=\"/en-US/docs/Web/Security/Subresource_Integrity\">Subresource Integrity</a> value that allows browsers to verify what they fetch.</p></td>"
type: "html"
value: "<td>Specifies the URL of the document's cache manifest.<div class=\"note\"><p><strong>Note:</strong> This attribute is obsolete, use <a href=\"/en-US/docs/Web/Manifest\"><code><link rel=\"manifest\"></code></a> instead.</p></div></td>"
td (715:4) => tableCell
type: "paragraph"
summary: "Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want."
locale: "en-US"
rowIndex: 130
shouldWrap: true
children:
type: "text"
value: "For the elements listed here, this establishes the element's width.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " For all other instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoIndpZHRoIikg}} property should be used instead."
tr (712:3) => tableRow
type: "html"
value: "<td><p>For the elements listed here, this establishes the element's width.</p><div class=\"note\"><p><strong>Note:</strong> For all other instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoIndpZHRoIikg}} property should be used instead.</p></div></td>"
table.standard-table (27:1) => table
type: "html"
value: "<tr><td><code>background</code></td><td>{{IEhUTUxFbGVtZW50KCJib2R5Iikg}}, {{IEhUTUxFbGVtZW50KCJ0YWJsZSIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0ZCIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0aCIpIA==}}</td><td>Specifies the URL of an image file.<div class=\"note\"><p><strong>Note:</strong> Although browsers and email clients may still support this attribute, it is obsolete. Use CSS {{IENzc3hyZWYoImJhY2tncm91bmQtaW1hZ2UiKSA=}} instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code>bgcolor</code></td><td>{{IEhUTUxFbGVtZW50KCJib2R5Iikg}}, {{IEhUTUxFbGVtZW50KCJjb2wiKSA=}}, {{IEhUTUxFbGVtZW50KCJjb2xncm91cCIpIA==}}, {{IEhUTUxFbGVtZW50KCJtYXJxdWVlIikg}}, {{IEhUTUxFbGVtZW50KCJ0YWJsZSIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0Ym9keSIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0Zm9vdCIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0ZCIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0aCIpIA==}}, {{IEhUTUxFbGVtZW50KCJ0ciIpIA==}}</td><td><p>Background color of the element.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJhY2tncm91bmQtY29sb3IiKSA=}} property instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code>border</code></td><td>{{IEhUTUxFbGVtZW50KCJpbWciKSA=}}, {{IEhUTUxFbGVtZW50KCJvYmplY3QiKSA=}}, {{IEhUTUxFbGVtZW50KCJ0YWJsZSIpIA==}}</td><td><p>The border width.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImJvcmRlciIpIA==}} property instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code>color</code></td><td>{{IEhUTUxFbGVtZW50KCJiYXNlZm9udCIpIA==}}, {{IEhUTUxFbGVtZW50KCJmb250Iikg}}, {{IEhUTUxFbGVtZW50KCJociIpIA==}}</td><td><p>This attribute sets the text color using either a named color or a color specified in the hexadecimal #RRGGBB format.</p><div class=\"note\"><p><strong>Note:</strong> This is a legacy attribute. Please use the CSS {{IENzc3hyZWYoImNvbG9yIikg}} property instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code>height</code></td><td>{{IEhUTUxFbGVtZW50KCJjYW52YXMiKSA=}}, {{IEhUTUxFbGVtZW50KCJlbWJlZCIpIA==}}, {{IEhUTUxFbGVtZW50KCJpZnJhbWUiKSA=}}, {{IEhUTUxFbGVtZW50KCJpbWciKSA=}}, {{IEhUTUxFbGVtZW50KCJpbnB1dCIpIA==}}, {{IEhUTUxFbGVtZW50KCJvYmplY3QiKSA=}}, {{IEhUTUxFbGVtZW50KCJ2aWRlbyIpIA==}}</td><td><p>Specifies the height of elements listed here. For all other elements, use the CSS {{Y3NzeHJlZigiaGVpZ2h0Iik=}} property.</p><div class=\"note\"><p><strong>Note:</strong> In some instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoImhlaWdodCIpIA==}} property should be used instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code><a href=\"/en-US/docs/Web/Security/Subresource_Integrity\">integrity</a></code></td><td>{{IEhUTUxFbGVtZW50KCJsaW5rIikg}}, {{IEhUTUxFbGVtZW50KCJzY3JpcHQiKSA=}}</td><td><p>Specifies a <a href=\"/en-US/docs/Web/Security/Subresource_Integrity\">Subresource Integrity</a> value that allows browsers to verify what they fetch.</p></td></tr>",type: "html"
value: "<tr><td><code><a href=\"/en-US/docs/Web/HTML/Element/html#attr-manifest\">manifest</a></code> {{ZGVwcmVjYXRlZF9pbmxpbmU=}}</td><td>{{IEhUTUxFbGVtZW50KCJodG1sIikg}}</td><td>Specifies the URL of the document's cache manifest.<div class=\"note\"><p><strong>Note:</strong> This attribute is obsolete, use <a href=\"/en-US/docs/Web/Manifest\"><code><link rel=\"manifest\"></code></a> instead.</p></div></td></tr>",type: "html"
value: "<tr><td><code><a href=\"/en-US/docs/Web/HTML/Attributes/width\">width</a></code></td><td>{{IEhUTUxFbGVtZW50KCJjYW52YXMiKSA=}}, {{IEhUTUxFbGVtZW50KCJlbWJlZCIpIA==}}, {{IEhUTUxFbGVtZW50KCJpZnJhbWUiKSA=}}, {{IEhUTUxFbGVtZW50KCJpbWciKSA=}}, {{IEhUTUxFbGVtZW50KCJpbnB1dCIpIA==}}, {{IEhUTUxFbGVtZW50KCJvYmplY3QiKSA=}}, {{IEhUTUxFbGVtZW50KCJ2aWRlbyIpIA==}}</td><td><p>For the elements listed here, this establishes the element's width.</p><div class=\"note\"><p><strong>Note:</strong> For all other instances, such as {{IEhUTUxFbGVtZW50KCJkaXYiKSA=}}, this is a legacy attribute, in which case the CSS {{IENzc3hyZWYoIndpZHRoIikg}} property should be used instead.</p></div></td></tr>"
type: "paragraph"
summary: "The rel attribute defines the relationship between a linked resource and the current document. Valid on {{aHRtbGVsZW1lbnQoJ2xpbmsnKQ==}}, {{aHRtbGVsZW1lbnQoJ2EnKQ==}}, {{aHRtbGVsZW1lbnQoJ2FyZWEnKQ==}}, and {{aHRtbGVsZW1lbnQoJ2Zvcm0nKQ==}}, the supported values depend on the element on which the attribute is found."
locale: "en-US"
rowIndex: 6
shouldWrap: true
children:
type: "text"
value: "{{U3BlYzIoIkhUTUwzLjIiKQ==}} (Obsolete)"
type: "paragraph"
summary: "Certain HTML elements use date and/or time values. The formats of the strings that specify these values are described in this article."
locale: "en-US"
rowIndex: 2
shouldWrap: true
children:
type: "inlineCode"
value: "1986-01-28T11:38:00.01",type: "paragraph"
summary: "Certain HTML elements use date and/or time values. The formats of the strings that specify these values are described in this article."
locale: "en-US"
rowIndex: 2
shouldWrap: true
children:
type: "text"
value: "Note that after normalization, this is the same string as the previous "
type: "inlineCode"
value: "datetime-local"
type: "text"
value: " string. The space has been replaced with the \""
type: "inlineCode"
value: "T"
type: "text"
value: "\" character and the trailing zero in the fraction of a second has been removed to make the string as short as possible."
tr (384:3) => tableRow
type: "html"
value: "<td><p><code>1986-01-28T11:38:00.01</code></p><p>Note that after normalization, this is the same string as the previous <code>datetime-local</code> string. The space has been replaced with the \"<code>T</code>\" character and the trailing zero in the fraction of a second has been removed to make the string as short as possible.</p></td>"
td (394:4) => tableCell
type: "paragraph"
summary: "Certain HTML elements use date and/or time values. The formats of the strings that specify these values are described in this article."
locale: "en-US"
rowIndex: 3
shouldWrap: true
children:
type: "inlineCode"
value: "0170-07-31T22:00",type: "paragraph"
summary: "Certain HTML elements use date and/or time values. The formats of the strings that specify these values are described in this article."
locale: "en-US"
rowIndex: 3
shouldWrap: true
children:
type: "text"
value: "Note that the normalized form of this date drops the \""
type: "inlineCode"
value: ":00"
type: "text"
value: "\" indicating the number of seconds to be zero, because the seconds are optional when zero, and the normalized string minimizes the length of the string."
tr (392:3) => tableRow
type: "html"
value: "<td><p><code>0170-07-31T22:00</code></p><p>Note that the normalized form of this date drops the \"<code>:00</code>\" indicating the number of seconds to be zero, because the seconds are optional when zero, and the normalized string minimizes the length of the string.</p></td>"
table.standard-table (369:1) => table
type: "html"
value: "<tr><td><code>1986-01-28 11:38:00.010</code></td><td><p><code>1986-01-28T11:38:00.01</code></p><p>Note that after normalization, this is the same string as the previous <code>datetime-local</code> string. The space has been replaced with the \"<code>T</code>\" character and the trailing zero in the fraction of a second has been removed to make the string as short as possible.</p></td><td>January 28, 1986 at 11:38:00.01 AM</td></tr>",type: "html"
value: "<tr><td><code>0170-07-31T22:00:00</code></td><td><p><code>0170-07-31T22:00</code></p><p>Note that the normalized form of this date drops the \"<code>:00</code>\" indicating the number of seconds to be zero, because the seconds are optional when zero, and the normalized string minimizes the length of the string.</p></td><td>July 31, 170 at 10:00 PM</td></tr>"
type: "html"
value: "<tr><th>Firefox</th><td>✅ Yes - Firefox 30.0</td><td>❌ No (even with a <code>tabindex</code>) Firefox 63</td></tr>",type: "html"
value: "<tr><th>Chrome</th><td>✅ Yes - Chrome 35</td><td>✅ Yes - Chrome 65</td></tr>",type: "html"
value: "<tr><th>Safari</th><td>N/A</td><td>❌ No (even with a <code>tabindex</code>) Safari 12 (<a href=\"https://bugs.webkit.org/show_bug.cgi?id=22261\">bug 22261</a>)</td></tr>",type: "html"
value: "<tr><th>Internet Explorer</th><td>✅ Yes - Internet Explorer 11</td><td>N/A</td></tr>",type: "html"
value: "<tr><th>Presto</th><td>✅ Yes - Opera 12</td><td>✅ Yes - Opera 12</td></tr>"
tr (253:3) => tableRow
type: "html"
value: "<th>Safari Mobile</th>"
tr (258:3) => tableRow
type: "html"
value: "<th>Chrome 35</th>"
table (243:1) => table
type: "html"
value: "<tr><th>Safari Mobile</th><td>❌ No (even with a <code>tabindex</code>)</td><td>N/A</td></tr>",type: "html"
value: "<tr><th>Chrome 35</th><td>❌ No (even with a <code>tabindex</code>)</td><td>✅ Yes</td></tr>"
type: "paragraph"
summary: "The <link> HTML element specifies relationships between the current document and an external resource. This element is most commonly used to link to {{R2xvc3NhcnkoIkNTUyIsICJzdHlsZXNoZWV0cyIp}}, but is also used to establish site icons (both \"favicon\" style icons and icons for the home screen and apps on mobile devices) among other things."
locale: "en-US"
rowIndex: 4
shouldWrap: true
children:
type: "text"
value: "fetch, XHR",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " This value also requires "
type: "inlineCode"
value: "<link>"
type: "text"
value: " to contain the crossorigin attribute."
tr (88:4) => tableRow
type: "html"
value: "<td><p>fetch, XHR</p><div class=\"notecard note\"><p><strong>Note:</strong> This value also requires <code><link></code> to contain the crossorigin attribute.</p></div></td>"
table.standard-table (68:2) => table
type: "html"
value: "<tr><td>fetch</td><td><p>fetch, XHR</p><div class=\"notecard note\"><p><strong>Note:</strong> This value also requires <code><link></code> to contain the crossorigin attribute.</p></div></td></tr>"
type: "html"
value: "<th>Opera 12</th>",type: "html"
value: "<td colspan=\"3\"><kbd>Shift</kbd> + <kbd>Esc</kbd> opens a contents list which are accessible by accesskey, then, can choose an item by pressing <kbd><em>key</em></kbd></td>"
table.standard-table (24:1) => table
type: "html"
value: "<tr><th>Firefox</th><td colspan=\"2\"><kbd>Alt</kbd> + <kbd>Shift</kbd> + <kbd><em>key</em></kbd></td><td>On Firefox 57 or newer: <kbd>Control</kbd> + <kbd>Option</kbd> + <kbd><em>key</em></kbd> or <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd><em>key</em></kbd><br>On Firefox 14 or newer: <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd><em>key</em></kbd><br>On Firefox 13 or older: <kbd>Control</kbd> + <kbd><em>key</em></kbd></td></tr>",type: "html"
value: "<tr><th>Internet Explorer</th><td rowspan=\"3\"><kbd>Alt</kbd> + <kbd><em>key</em></kbd><br><kbd>Alt</kbd> + <kbd>Shift</kbd> + <kbd><em>key</em></kbd></td><td colspan=\"2\">N/A</td></tr>",type: "html"
value: "<tr><th>Edge</th><td>N/A</td><td rowspan=\"3\"><kbd>Control</kbd> + <kbd>Option</kbd> + <kbd><em>key</em></kbd><br><kbd>Control</kbd> + <kbd>Option</kbd> + <kbd>Shift</kbd> + <kbd><em>key</em></kbd></td></tr>",type: "html"
value: "<tr><th>Google Chrome</th><td><kbd>Alt</kbd> + <kbd><em>key</em></kbd></td></tr>",type: "html"
value: "<tr><th>Safari</th><td colspan=\"2\">N/A</td></tr>",type: "html"
value: "<tr><th>Opera 15+</th><td colspan=\"2\"><kbd>Alt</kbd> + <kbd><em>key</em></kbd></td><td><kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd><em>key</em></kbd></td></tr>",type: "html"
value: "<tr><th>Opera 12</th><td colspan=\"3\"><kbd>Shift</kbd> + <kbd>Esc</kbd> opens a contents list which are accessible by accesskey, then, can choose an item by pressing <kbd><em>key</em></kbd></td></tr>"
type: "list"
ordered: false
start:
spread: false
children:
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} and the {{SFRNTEF0dHJ4UmVmKCJyZWwiLCAibGluayIp}} attribute also contains the "
type: "inlineCode"
value: "stylesheet"
type: "text"
value: " type, the link defines an "
type: "link"
title:
url: "/en-US/docs/Web/CSS/Alternative_style_sheets"
children:
type: "text"
value: "alternative style sheet"
type: "text"
value: "; in that case the {{SFRNTEF0dHJ4UmVmKCJ0aXRsZSIsICJsaW5rIik=}} attribute must be present and not be the empty string."
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "If the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} is set to "
type: "inlineCode"
value: "application/rss+xml"
type: "text"
value: " or "
type: "inlineCode"
value: "application/atom+xml"
type: "text"
value: ", the link defines a "
type: "link"
title:
url: "/en-US/docs/Archive/RSS/Getting_Started/Syndicating"
children:
type: "text"
value: "syndication feed"
type: "text"
value: ". The first one defined on the page is the default."
type: "listItem"
spread: true
children:
type: "paragraph"
children:
type: "text"
value: "Otherwise, the link defines an alternative page, of one of these types:"
type: "list"
ordered: false
start:
spread: false
children:
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "for another medium, like a handheld device (if the {{SFRNTEF0dHJ4UmVmKCJtZWRpYSIsImxpbmsiKQ==}} attribute is set)"
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "in another language (if the {{SFRNTEF0dHJ4UmVmKCJocmVmbGFuZyIsImxpbmsiKQ==}} attribute is set),"
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "in another format, such as a PDF (if the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} attribute is set)"
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "a combination of these"
tr (28:3) => tableRow
type: "html"
value: "<td><ul><li>If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} and the {{SFRNTEF0dHJ4UmVmKCJyZWwiLCAibGluayIp}} attribute also contains the <code>stylesheet</code> type, the link defines an <a href=\"/en-US/docs/Web/CSS/Alternative_style_sheets\">alternative style sheet</a>; in that case the {{SFRNTEF0dHJ4UmVmKCJ0aXRsZSIsICJsaW5rIik=}} attribute must be present and not be the empty string.</li><li>If the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} is set to <code>application/rss+xml</code> or <code>application/atom+xml</code>, the link defines a <a href=\"/en-US/docs/Archive/RSS/Getting_Started/Syndicating\">syndication feed</a>. The first one defined on the page is the default.</li><li>Otherwise, the link defines an alternative page, of one of these types:<ul><li>for another medium, like a handheld device (if the {{SFRNTEF0dHJ4UmVmKCJtZWRpYSIsImxpbmsiKQ==}} attribute is set)</li><li>in another language (if the {{SFRNTEF0dHJ4UmVmKCJocmVmbGFuZyIsImxpbmsiKQ==}} attribute is set),</li><li>in another format, such as a PDF (if the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} attribute is set)</li><li>a combination of these</li></ul></li></ul></td>"
td (104:4) => tableCell
type: "list"
ordered: false
start:
spread: false
children:
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "If the element is {{SFRNTEVsZW1lbnQoImEiKQ==}} or {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, it indicates that the hyperlink leads to a resource giving further help about the parent of the element, and its descendants."
type: "listItem"
spread: false
children:
type: "paragraph"
children:
type: "text"
value: "If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} it indicates that the hyperlink leads to a resource giving further help about the page as a whole."
tr (102:3) => tableRow
type: "html"
value: "<td><ul><li>If the element is {{SFRNTEVsZW1lbnQoImEiKQ==}} or {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, it indicates that the hyperlink leads to a resource giving further help about the parent of the element, and its descendants.</li><li>If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} it indicates that the hyperlink leads to a resource giving further help about the page as a whole.</li></ul></td>"
td (115:4) => tableCell
type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Note:"
type: "text"
value: " Apple's iOS does not use this link type, nor the {{SFRNTEF0dHJ4UmVmKCJzaXplcyIsImxpbmsiKQ==}} attribute, like others mobile browsers do, to select a webpage icon for Web Clip or a start-up placeholder. Instead it uses the non-standard "
type: "link"
title:
url: "https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW4"
children:
type: "inlineCode"
value: "apple-touch-icon"
type: "text"
value: " and "
type: "link"
title:
url: "https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW6"
children:
type: "inlineCode"
value: "apple-touch-startup-image"
type: "text"
value: " respectively.",type: "blockquote"
children:
type: "paragraph"
children:
type: "strong"
children:
type: "text"
value: "Warning:"
type: "text"
value: " The "
type: "inlineCode"
value: "shortcut"
type: "text"
value: " link type is often seen before "
type: "inlineCode"
value: "icon"
type: "text"
value: ", but this link type is non-conforming, ignored and "
type: "strong"
children:
type: "text"
value: "web authors must not use it anymore"
type: "text"
value: "."
tr (113:3) => tableRow
type: "html"
value: "<td>Defines a resource for representing the page in the user interface, usually an icon (auditory or visual). In the browser, it is usually referred to as the {{Z2xvc3NhcnkoIkZhdmljb24iLCAiZmF2aWNvbiIp}}.<br><br>If there are multiple <code><link rel=\"icon\"></code>s, the browser uses their {{SFRNTEF0dHJ4UmVmKCJtZWRpYSIsImxpbmsiKQ==}}, {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}}, and {{SFRNTEF0dHJ4UmVmKCJzaXplcyIsImxpbmsiKQ==}} attributes to select the most appropriate icon. If several icons are equally appropriate, the last one is used. If the most appropriate icon is later found to be inappropriate, for example because it uses an unsupported format, the browser proceeds to the next-most appropriate, and so on.<br><br><div class=\"notecard note\"><p><strong>Note:</strong> Apple's iOS does not use this link type, nor the {{SFRNTEF0dHJ4UmVmKCJzaXplcyIsImxpbmsiKQ==}} attribute, like others mobile browsers do, to select a webpage icon for Web Clip or a start-up placeholder. Instead it uses the non-standard <a class=\"external external-icon\" href=\"https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW4\"><code>apple-touch-icon</code></a> and <a class=\"external external-icon\" href=\"https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW6\"><code>apple-touch-startup-image</code></a> respectively.</p></div><div class=\"notecard warning\"><p><strong>Warning:</strong> The <code>shortcut</code> link type is often seen before <code>icon</code>, but this link type is non-conforming, ignored and <strong>web authors must not use it anymore</strong>.</p></div></td>"
td (190:4) => tableCell
type: "paragraph"
summary: "In HTML, link types indicate the relationship between two documents, in which one links to the other using an {{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}, or {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} element."
locale: "en-US"
rowIndex: 19
shouldWrap: true
children:
type: "text"
value: "Instructs the browser to open the link without granting the new browsing context access to the document that opened it — by not setting the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property on the opened window (it returns "
type: "inlineCode"
value: "null"
type: "text"
value: ")."
type: "break"
type: "break"
type: "text"
value: "This is especially useful when opening untrusted links, in order to ensure they cannot tamper with the originating document via the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property (see "
type: "link"
title:
url: "https://mathiasbynens.github.io/rel-noopener/"
children:
type: "text"
value: "About rel=noopener"
type: "text"
value: " for more details), while still providing the "
type: "inlineCode"
value: "Referer"
type: "text"
value: " HTTP header (unless "
type: "inlineCode"
value: "noreferrer"
type: "text"
value: " is used as well).",type: "paragraph"
summary: "In HTML, link types indicate the relationship between two documents, in which one links to the other using an {{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}, or {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} element."
locale: "en-US"
rowIndex: 19
shouldWrap: true
children:
type: "text"
value: "Note that when "
type: "inlineCode"
value: "noopener"
type: "text"
value: " is used, nonempty target names other than "
type: "inlineCode"
value: "_top"
type: "text"
value: ", "
type: "inlineCode"
value: "_self"
type: "text"
value: ", and "
type: "inlineCode"
value: "_parent"
type: "text"
value: " are all treated like "
type: "inlineCode"
value: "_blank"
type: "text"
value: " in terms of deciding whether to open a new window/tab."
tr (188:3) => tableRow
type: "html"
value: "<td><p>Instructs the browser to open the link without granting the new browsing context access to the document that opened it — by not setting the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property on the opened window (it returns <code>null</code>).<br><br>This is especially useful when opening untrusted links, in order to ensure they cannot tamper with the originating document via the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property (see <a href=\"https://mathiasbynens.github.io/rel-noopener/\">About rel=noopener</a> for more details), while still providing the <code>Referer</code> HTTP header (unless <code>noreferrer</code> is used as well).</p><p>Note that when <code>noopener</code> is used, nonempty target names other than <code>_top</code>, <code>_self</code>, and <code>_parent</code> are all treated like <code>_blank</code> in terms of deciding whether to open a new window/tab.</p></td>"
td (202:4) => tableCell
type: "paragraph"
summary: "In HTML, link types indicate the relationship between two documents, in which one links to the other using an {{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}, or {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} element."
locale: "en-US"
rowIndex: 20
shouldWrap: true
children:
type: "text"
value: "Prevents the browser, when navigating to another page, to send this page address, or any other value, as referrer via the "
type: "inlineCode"
value: "Referer:"
type: "text"
value: " HTTP header."
type: "break"
type: "text"
value: "(In Firefox, before Firefox 37, this worked only in links found in pages. Links clicked in the UI, like \"Open in a new tab\" via the contextual menu, ignored this)."
tr (200:3) => tableRow
type: "html"
value: "<td><p>Prevents the browser, when navigating to another page, to send this page address, or any other value, as referrer via the <code>Referer:</code> HTTP header.<br>(In Firefox, before Firefox 37, this worked only in links found in pages. Links clicked in the UI, like \"Open in a new tab\" via the contextual menu, ignored this).</p></td>"
td (211:4) => tableCell
type: "paragraph"
summary: "In HTML, link types indicate the relationship between two documents, in which one links to the other using an {{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}, or {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} element."
locale: "en-US"
rowIndex: 21
shouldWrap: true
children:
type: "text"
value: "Reverts implicit "
type: "inlineCode"
value: "rel=\"noopener\""
type: "text"
value: " addition on links with "
type: "inlineCode"
value: "target=\"_blank\""
type: "text"
value: " (See "
type: "link"
title:
url: "https://github.com/whatwg/html/issues/4078"
children:
type: "text"
value: "related HTML spec discussion"
type: "text"
value: ", "
type: "link"
title:
url: "https://trac.webkit.org/changeset/237144/webkit/"
children:
type: "text"
value: "WebKit change"
type: "text"
value: ", and "
type: "link"
title:
url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1503681"
children:
type: "text"
value: "Firefox bug discussion"
type: "text"
value: ")."
tr (209:3) => tableRow
type: "html"
value: "<td><p>Reverts implicit <code>rel=\"noopener\"</code> addition on links with <code>target=\"_blank\"</code> (See <a href=\"https://github.com/whatwg/html/issues/4078\">related HTML spec discussion</a>, <a href=\"https://trac.webkit.org/changeset/237144/webkit/\">WebKit change</a>, and <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1503681\">Firefox bug discussion</a>).</p></td>"
table.standard-table (17:1) => table
type: "html"
value: "<tr><td><code>alternate</code></td><td><ul><li>If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} and the {{SFRNTEF0dHJ4UmVmKCJyZWwiLCAibGluayIp}} attribute also contains the <code>stylesheet</code> type, the link defines an <a href=\"/en-US/docs/Web/CSS/Alternative_style_sheets\">alternative style sheet</a>; in that case the {{SFRNTEF0dHJ4UmVmKCJ0aXRsZSIsICJsaW5rIik=}} attribute must be present and not be the empty string.</li><li>If the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} is set to <code>application/rss+xml</code> or <code>application/atom+xml</code>, the link defines a <a href=\"/en-US/docs/Archive/RSS/Getting_Started/Syndicating\">syndication feed</a>. The first one defined on the page is the default.</li><li>Otherwise, the link defines an alternative page, of one of these types:<ul><li>for another medium, like a handheld device (if the {{SFRNTEF0dHJ4UmVmKCJtZWRpYSIsImxpbmsiKQ==}} attribute is set)</li><li>in another language (if the {{SFRNTEF0dHJ4UmVmKCJocmVmbGFuZyIsImxpbmsiKQ==}} attribute is set),</li><li>in another format, such as a PDF (if the {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}} attribute is set)</li><li>a combination of these</li></ul></li></ul></td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td><td>{{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}</td></tr>",type: "html"
value: "<tr><td><code>help</code></td><td><ul><li>If the element is {{SFRNTEVsZW1lbnQoImEiKQ==}} or {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, it indicates that the hyperlink leads to a resource giving further help about the parent of the element, and its descendants.</li><li>If the element is {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}} it indicates that the hyperlink leads to a resource giving further help about the page as a whole.</li></ul></td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}, {{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td><td><em>None.</em></td></tr>",type: "html"
value: "<tr><td><code>icon</code></td><td>Defines a resource for representing the page in the user interface, usually an icon (auditory or visual). In the browser, it is usually referred to as the {{Z2xvc3NhcnkoIkZhdmljb24iLCAiZmF2aWNvbiIp}}.<br><br>If there are multiple <code><link rel=\"icon\"></code>s, the browser uses their {{SFRNTEF0dHJ4UmVmKCJtZWRpYSIsImxpbmsiKQ==}}, {{SFRNTEF0dHJ4UmVmKCJ0eXBlIiwibGluayIp}}, and {{SFRNTEF0dHJ4UmVmKCJzaXplcyIsImxpbmsiKQ==}} attributes to select the most appropriate icon. If several icons are equally appropriate, the last one is used. If the most appropriate icon is later found to be inappropriate, for example because it uses an unsupported format, the browser proceeds to the next-most appropriate, and so on.<br><br><div class=\"notecard note\"><p><strong>Note:</strong> Apple's iOS does not use this link type, nor the {{SFRNTEF0dHJ4UmVmKCJzaXplcyIsImxpbmsiKQ==}} attribute, like others mobile browsers do, to select a webpage icon for Web Clip or a start-up placeholder. Instead it uses the non-standard <a class=\"external external-icon\" href=\"https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW4\"><code>apple-touch-icon</code></a> and <a class=\"external external-icon\" href=\"https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html#//apple_ref/doc/uid/TP40002051-CH3-SW6\"><code>apple-touch-startup-image</code></a> respectively.</p></div><div class=\"notecard warning\"><p><strong>Warning:</strong> The <code>shortcut</code> link type is often seen before <code>icon</code>, but this link type is non-conforming, ignored and <strong>web authors must not use it anymore</strong>.</p></div></td><td>{{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}</td></tr>",type: "html"
value: "<tr><td><code><a href=\"/en-US/docs/Web/HTML/Link_types/noopener\">noopener</a></code></td><td><p>Instructs the browser to open the link without granting the new browsing context access to the document that opened it — by not setting the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property on the opened window (it returns <code>null</code>).<br><br>This is especially useful when opening untrusted links, in order to ensure they cannot tamper with the originating document via the {{RE9NeFJlZigiV2luZG93Lm9wZW5lciIp}} property (see <a href=\"https://mathiasbynens.github.io/rel-noopener/\">About rel=noopener</a> for more details), while still providing the <code>Referer</code> HTTP header (unless <code>noreferrer</code> is used as well).</p><p>Note that when <code>noopener</code> is used, nonempty target names other than <code>_top</code>, <code>_self</code>, and <code>_parent</code> are all treated like <code>_blank</code> in terms of deciding whether to open a new window/tab.</p></td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}</td><td>{{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td></tr>",type: "html"
value: "<tr><td><code><a href=\"/en-US/docs/Web/HTML/Link_types/noreferrer\">noreferrer</a></code></td><td><p>Prevents the browser, when navigating to another page, to send this page address, or any other value, as referrer via the <code>Referer:</code> HTTP header.<br>(In Firefox, before Firefox 37, this worked only in links found in pages. Links clicked in the UI, like \"Open in a new tab\" via the contextual menu, ignored this).</p></td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}</td><td>{{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td></tr>",type: "html"
value: "<tr><td><code>opener</code> {{RXhwZXJpbWVudGFsX0lubGluZQ==}}</td><td><p>Reverts implicit <code>rel=\"noopener\"</code> addition on links with <code>target=\"_blank\"</code> (See <a href=\"https://github.com/whatwg/html/issues/4078\">related HTML spec discussion</a>, <a href=\"https://trac.webkit.org/changeset/237144/webkit/\">WebKit change</a>, and <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1503681\">Firefox bug discussion</a>).</p></td><td>{{SFRNTEVsZW1lbnQoImEiKQ==}}, {{SFRNTEVsZW1lbnQoImFyZWEiKQ==}}, {{SFRNTEVsZW1lbnQoImZvcm0iKQ==}}</td><td>{{SFRNTEVsZW1lbnQoImxpbmsiKQ==}}</td></tr>"
