<script type="text/javascript">function sortNumber(a,b){return a - b}var arr = new Array(3)arr[0] = "10";arr[1] = "5";arr[2] = "4";document.write(arr + "<br />");document.write(arr.sort(sortNumber));</script>sortNumber(a,b){return a - b}a-b是什么意思呀?謝謝
sort()問(wèn)題
慕斯卡5910870
2016-12-31 17:07:19
