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<form id="myform" method="POST" name="myform" action="" target="_self">
<span style="float:right; margin-right:20px; margin-top:4px;"><input type="checkbox" name="selectall" value=on onclick="selectAll()"></span>
<span style="float:right; ">全选/取消 </span>
<script>
function selectAll(myform) {
var obj = document.getElementsByName(‘selectall‘);
var cks = document.getElementsByTagName("input");
var ckslen = cks.length;
for(var i=0;i<ckslen-1;i++) {
if(cks[i].type == ‘checkbox‘) {
cks[i].checked = obj[0].checked;
}
}
}
</script>
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原文地址:http://www.cnblogs.com/langxi/p/4389706.html