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<script type="text/javascript">
function uniqueArr(arr)
{
arr = arr || [];
var a = {};
for (var i=0; i<arr.length; i++)
{
var v = arr[i];
if (typeof(a[v]) == 'undefined')
{
a[v] = 1;
}
}
arr.length = 0;
for (var i in a )
{
arr[arr.length] = i;
}
return arr;
}
var ss=new Array();
ss.push("aaaa");
ss.push("bbbb");
ss.push("bbb1b");
ss.push("bbb2b");
if (ss.length == uniqueArr(ss).length){
alert("no reapeat");
}
else{
alert("reapeat!!!");
}
//alert(ss.length);
//alert(uniqueArr(ss).length);
</script>
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* website: http://www.javatang.com/archives/2006/09/13/442864.html
*/
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