var arr = new Array("first", "second", "third") for(var item in arr) {document.write(arr[item]+",");}
标签：code second class line index plain item array key
var arr = new Array("first", "second", "third") for(var item in arr) {document.write(arr[item]+",");}标签：code second class line index plain item array key
原文地址：https://www.cnblogs.com/feifeicui/p/8595917.html
