應(yīng)該不是的。他就是按照大小排序。
<script type="text/javascript">
function sortNum(a,b) {
return b-a;
}
var myarr = new Array("80","16","50","6","100","1");
document.write(myarr.sort(sortNum));
var x="a",y="b";
var z=y-x;
</script>
源碼是這樣。輸出結(jié)果是100,80,50,16,6,1
2016-02-20
應(yīng)該是編譯器拆成ASCII碼了進(jìn)行排序的吧