var arr = new Array("first", "second", "third") for(var item in arr) {document.write(arr[item]+",");}js用for...in 这种遍历的方式
原文地址:https://www.cnblogs.com/feifeicui/p/8595917.html
var arr = new Array("first", "second", "third") for(var item in arr) {document.write(arr[item]+",");}js用for...in 这种遍历的方式
原文地址:https://www.cnblogs.com/feifeicui/p/8595917.html