Posted on 2006-06-22 09:42
tohen 阅读(551)
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JavaScript
<script>
var str ="adadfdfseffserfefsefseeffffftsdg";
var maxLength = 0
var result = ''
while( str != '' )
{
oldStr = str
getStr = str.substr(0,1)
eval("str = str.replace(/"+getStr+"/g,'')")
if( oldStr.length-str.length > maxLength )
{
maxLength = oldStr.length-str.length
result = getStr + "=" + maxLength
}
}
alert(result)
</script>