本文实例讲述了Javascript中For In语句用法。分享给大家供大家参考。具体如下：
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>For In 语句</title><script type="text/javascript">function Student(name, age) { this.name = name; this.age = age;}var stu = new Student("内马尔", 20);//遍历对象for (var s in stu) { alert(s + ":" + stu[s]);}//遍历数组var myArr = [1, 3, 5, 7, 9];for (var i in myArr) { alert(i + ":" + myArr[i]);}</script></head><body></body></html>希望本文所述对大家的javascript程序设计有所帮助。
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