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Examples of usage of For In statement in Javascript_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:58:531218browse

The example in this article describes the usage of For In statement in Javascript. Share it with everyone for your reference. The details are as follows: 

<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>

I hope this article will be helpful to everyone’s JavaScript programming design.

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