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October 4, 2010 09:37
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getFormElements.js : HTMLFormElement.elements をオブジェクトに変換して返す
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>getFormElements.js</title> | |
| <style type="text/css"><!-- | |
| /* default */ | |
| body { margin: 0; padding: 1em; } | |
| h1，h2，h3，h4，h5，h6 { font-weight: bold; color: #202020; } | |
| h1 { margin: 1em 0; padding: 0; font-size: 150%; } | |
| h2 { margin: 2.5em 0 1em; padding: 0; font-size: 120%; } | |
| h3 { margin: 1em 0: padding: 0; font-size: 100%; color: #373; } | |
| dl { margin: 1em 0; padding: 0; } | |
| dt { margin: 1.5em 1em 1em; padding: 0; color: #337; font-weight: bold; } | |
| dd { margin: 1em; padding: 0; } | |
| dt a { text-decoration: none; color: #337; } | |
| strong { font-size: 100%; font-weight: bold; } | |
| em { font-size: 100%; font-weight: normal; font-style: normal; text-decoration: underline; } | |
| blockquote { margin: 1em 2em; padding: 0.5em 1em; border: dashed 1px orange; } | |
| cite { font-family: italic; } | |
| pre { margin: 1.5em 2em; padding: 0.5em; font-family: monospace; font-size: 100%; font-weight: normal; } | |
| code { font-family: monospace; font-size: 90%; font-weight: normal; } | |
| hr { margin: 2em 0; padding: 0; } | |
| h1 code, h2 code, h3 code, h4 code, h5 code, h6 code, th code { font-weight: bold; } | |
| table { border-collapse: collapse; table-layout: auto; margin: 1em 0; padding: 0; border: solid 1px #AAA; color: black; background-color: ghostwhite; } | |
| thead, tbody { margin: 0; padding: 0; border-style: none; } | |
| thead th { text-align: center; font-weight: bolder; color: #202020; background-color: lavender; } | |
| tbody th { text-align: left; font-weight: bolder; color: #202020; } | |
| th, td { margin: 0; padding: 0.5em 0.8em; border: solid 1px #AAA; } | |
| .button { display: inline-block; margin: 2px; padding: 1px; border: outset 2px #E9E9E9; color: black; background-color: #E9E9E9; } | |
| --></style> | |
| <script type="text/javascript" src="./getFormElements.js"></script> | |
| </head> | |
| <body> | |
| <h1>getFormElements.js (仮称)</h1> | |
| <h2 id="Description">解説</h2> | |
| <p>HTMLFormElements.elements から name, valueプロパティが定義されているノードを抽出して、オブジェクトに変換します。</p> | |
| <ul> | |
| <li>名称は後で変更する可能性大。</li> | |
| <li>機能も大幅に変わる可能性があります。(最終目標はJSON化)</li> | |
| </ul> | |
| <h2 id="Sample">サンプル</h2> | |
| <form onsubmit="console.log(getFormElements(this)); event.preventDefault ? event.preventDefault() : event.returnValue = false;"> | |
| <p>A1 <input type="text" name="a1" value=""></p> | |
| <p>A2 <input type="text" name="a2" value=""></p> | |
| <p>A3 <input type="text" name="a3" value=""></p> | |
| <p>A3 <input type="text" name="a3" value=""></p> | |
| <p>A4 <input type="text" name="a4" value=""></p> | |
| <p><input type="submit" value="get HTMLFormElement.elements"></p> | |
| </form> | |
| <h2 id="ReferenceURL">参考URL</h2> | |
| <ul> | |
| <li><a href="http://d.hatena.ne.jp/babu_babu_baboo/20101001#c1285934655">2010-10-01 - babu_babu_babooのごみ箱</a></li> | |
| <li><a href="http://www.tagindex.com/cgi-lib/q4bbs/patio.cgi?mode=view&no=2701">掲示板/JavaScript質問板/innerHTMLから値の取得 - TAG index Webサイト</a></li> | |
| </ul> | |
| </body> | |
| </html> |
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| function getFormElements (form) { | |
| var result, elements, element, name, temp, value, i, l; | |
| elements = form.elements; | |
| if (typeof form !== 'object' || typeof elements !== 'object' || typeof form.submit !== 'function') throw new TypeError(form + 'is not a HTMLFormElement'); | |
| result = {}; | |
| for (i = 0, l = elements.length; i < l; i++) { | |
| element = elements[i]; | |
| if ('name' in element && element.name.length && 'value' in element) { | |
| name = element.name; | |
| value = element.value; | |
| if (elements[name].length) { | |
| if (name in result) { | |
| result[name].push(value); | |
| } else { | |
| result[name] = [value]; | |
| } | |
| } else { | |
| result[name] = value; | |
| } | |
| } | |
| } | |
| return result; | |
| } |
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gtltさんからアドバイスをいただきました。
2010-10-01 - babu_babu_babooのごみ箱
http://d.hatena.ne.jp/babu_babu_baboo/20101001#c1285934655
TAG index で回答しました。
掲示板/JavaScript質問板/innerHTMLから値の取得 - TAG index Webサイト
http://www.tagindex.com/cgi-lib/q4bbs/patio.cgi?mode=view&no=2701