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<input name="myInput" type="text" size="20" id="id1" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
.................中间省略了很多元素,大家自己补上..........................
<a href="" name="myInput" >some text </a>
<div name="myInput">som etext </div>
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<a href="" name="myInput" id="id2">some text </a>
var o;
var begin = (new Date).valueOf();
for (var i = 0; i < 100000; i++) {
// o = document.getElementsByName("myInput");
// o = document.getElementsByTagName("input");
o = document.getElementById("id1");
// o = document.getElementById("id2");
}
var end = (new Date).valueOf();
alert(end - begin);