<!DOCTYPE html>
<html>
<head>
<title>Javascript语法14</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
</head>
<body>
<script type="text/javascript">
/*
* js中的特有语句 for in
*
* 格式：
* for(变量 in 对象)//对对象进行变量的语句。
* {
* }
*/
var arr = [ 32, 80, 65 ];
for (i in arr) {
document.write("i=" + arr[i] + "<br>");
}
document.write("<hr/>");
var numObj = "abc";
for (x in numObj) {
document.write(x + "---" + numObj[x] + "<br>");
}
</script>
</body>
</html>
