<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Array對象 </title><script type="text/javascript">? ?function sort1num(a,b) {? ? ? ? return b-a;? ?}var myarr = new Array("80","16","16.5","16.2","100","1");myarr.sort(sort1num);document.write(myarr);</script></head><body></body></html>
sort（）分類的判斷到底根據(jù)是a-b>0,<0來執(zhí)行還是>=1,<=-1,<1&&>-1執(zhí)行的？
fanaiwen
2017-11-28 15:26:17
