?? domrangeexample9.htm
字號:
<html>
<head>
<title>DOM Range Example</title>
<script type="text/javascript">
function compare() {
var oRange1 = document.createRange();
var oRange2 = document.createRange();
var oP1 = document.getElementById("p1");
oRange1.selectNodeContents(oP1);
oRange2.selectNodeContents(oP1);
oRange2.setEndBefore(oP1.lastChild);
alert(oRange1.compareBoundaryPoints(Range.START_TO_START, oRange2)); //outputs 0
alert(oRange1.compareBoundaryPoints(Range.END_TO_END, oRange2)); //outputs 1;
}
</script>
</head>
<body><p id="p1"><b>Hello</b> World</p>
<input type="button" value="Compare Ranges" onclick="compare()" />
<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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