日期:2014-05-16 浏览次数:20377 次
<script type="text/javascript">
var test={
"A":1,
"B":2,
"C":3,
"D":4
}
function TEST(value){
var length=value.length;
var count=0;
for(var i=0;i<length;i++){
var subvalue=value[i];
if(typeof test[subvalue]!="undefined"){
count+=test[subvalue]
}
}
return count
}
document.write(TEST("ABCDAA"));//12
</script>