?? domrangeexample3.htm
字號:
<html>
<head>
<title>DOM Range Example</title>
<script type="text/javascript">
function useRanges() {
var oP1 = document.getElementById("p1");
var oHello = oP1.firstChild.firstChild;
var oWorld = oP1.lastChild;
var oRange = document.createRange();
oRange.setStart(oHello, 2);
oRange.setEnd(oWorld, 3);
document.getElementById("txtStartContainer1").value = oRange.startContainer.nodeValue;
document.getElementById("txtStartOffset1").value = oRange.startOffset;
document.getElementById("txtEndContainer1").value = oRange.endContainer.nodeValue;
document.getElementById("txtEndOffset1").value = oRange.endOffset;
document.getElementById("txtCommonAncestor1").value = oRange.commonAncestorContainer.tagName;
}
</script>
</head>
<body><p id="p1"><b>Hello</b> World</p>
<input type="button" value="Use Ranges" onclick="useRanges()" />
<table border="0">
<tr>
<td>
<fieldset>
<legend>oRange1</legend>
Start Container: <input type="text" id="txtStartContainer1" /><br />
Start Offset: <input type="text" id="txtStartOffset1" /><br />
End Container: <input type="text" id="txtEndContainer1" /><br />
End Offset: <input type="text" id="txtEndOffset1" /><br />
Common Ancestor: <input type="text" id="txtCommonAncestor1" /><br />
</fieldset>
</td>
</tr>
</table>
<p><strong>Note:</strong> This example uses DOM ranges and will only work in browsers that support DOM ranges. This example will fail in Internet Explorer.</p>
</body>
</html>
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