HTMLElement.insertBefore のラッパー関数

memo.txt

挿入先要素の親要素の指定を自動化。

### usage ###

[html]
​<div><div id="target">target</div></div>​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

[js]
var doc = document, elm = doc.createElement("div"), targetElm = doc.getElementById("target");
elm.appendChild(doc.createTextNode("insert !"));
​insertBefore(elm, targetElm);​

wrapper_of_insertBefore.js

​function insertBefore(newElm,targetElm) {
    targetElm.parentNode.insertBefore(newElm, targetElm);
}