こんにちは、最終的に私は自分自身の危険な解決策を思いつきました。それを改善するための提案は非常に高く評価されます。いくつかのプロトタイプ機能を利用します。
「/HTML/BODY/DIV[9]/DIV[2]」の形式の xpath を使用して IE5+ で動作します。
function getXPathElement (xpath , 要素) {
//Specific to project, here i know that the body element will always have the id "top"
//but otherwise the element that is passed in should be first element in the xpath
//statement eg. /HTML/BODY/DIV the element passed in should be HTML
if(!element){
element = $("top");
var xpathArrayIndex = 3;
} else {
var xpathArrayIndex = 1;
}
//split the xpath statement up
var xpathArray = xpath.split("/");
var carryOn = true;
while(carryOn){
decendents = element.childElements();
//check to see if we are at the end of the xpath statement
if(xpathArrayIndex == xpathArray.length){
return element;
}
//if there is only one decendent make it the next element
if(decendents.size() == 1) {
element = decendents.first();
} else {
//otherwise search the decendents for the next element
element = getXPathElementByIndex(decendents, xpathArray[xpathArrayIndex]);
}
xpathArrayIndex++;
}
}
function getXPathElementByIndex(decendents, xpathSegment){
var decendentsArray = decendents.toArray();
//seperate the index from the element name
var temp = xpathSegment.split("[");
var elementName = temp[0];
//get the index as a number eg. "9]" to 9
var elementIndex = +temp[1].replace("]", "");
//the number of matching elements
var count = 0;
//keeps track of the number of iterations
var i = 0;
while(count != elementIndex) {
//if the decendent's name matches the xpath element name increment the count
if(decendentsArray[i].nodeName == elementName){
count++;
}
i++;
}
var element = decendentsArray[i - 1];
return element;
}
いずれにせよ、私はさまざまな JavaScript フレームワークについてかなりのことを学びました。