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insertAdjacentHTML polyfill
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/* | |
* insertAdjacentHTML.js | |
* Cross-browser full HTMLElement.insertAdjacentHTML implementation. | |
* | |
* 2011-10-10 | |
* | |
* By Eli Grey, http://eligrey.com | |
* Public Domain. | |
* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. | |
*/ | |
if (self.document && !("insertAdjacentHTML" in document.createElementNS("http://www.w3.org/1999/xhtml", "_"))) { | |
HTMLElement.prototype.insertAdjacentHTML = function(position, html) { | |
"use strict"; | |
var | |
ref = this | |
, container = ref.ownerDocument.createElementNS("http://www.w3.org/1999/xhtml", "_") | |
, ref_parent = ref.parentNode | |
, node, first_child, next_sibling | |
; | |
container.innerHTML = html; | |
switch (position.toLowerCase()) { | |
case "beforebegin": | |
while ((node = container.firstChild)) { | |
ref_parent.insertBefore(node, ref); | |
} | |
break; | |
case "afterbegin": | |
first_child = ref.firstChild; | |
while ((node = container.lastChild)) { | |
first_child = ref.insertBefore(node, first_child); | |
} | |
break; | |
case "beforeend": | |
while ((node = container.firstChild)) { | |
ref.appendChild(node); | |
} | |
break; | |
case "afterend": | |
next_sibling = ref.nextSibling; | |
while ((node = container.lastChild)) { | |
next_sibling = ref_parent.insertBefore(node, next_sibling); | |
} | |
break; | |
} | |
}; | |
} |
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