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27.枚举对象中的属性.html
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27.枚举对象中的属性.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script>
var obj={
name:"孙悟空",
age:18,
gender:"男",
address:"花果山"
}
//枚举对象中高的属性
//使用for in语句
/*
语法:
for(var 变量 in 对象){
}
for..in语句 对象中有几个属性,循环体就会执行几次
每次执行时,会将对象中的一个属性的名字赋值给变量
*/
/* for(var n in obj){
console.log("属性名:"+n)
console.log("属性值:"+obj[n])
} */
var obj2={
name:"猪八戒",
age:20,
gender:"男",
address:"高老庄"
}
for(var m in obj2){
console.log("属性名:"+m);
console.log("属性名:"+obj2[m]);
}
</script>
</head>
<body>
</body>
</html>