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JavaScript string、数组、object转换

JavaScript string、数组、object转换

作者: 步履不停的Suunny | 来源:发表于2018-08-07 11:32 被阅读0次
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
    <title>TitleTest</title>
</head>

<link href="./css/swiper.min.css" rel="stylesheet">
<script src="./js/swiper.min.js"></script>
<script language="javascript">
    function strToArry(){
        str = "['item1','item2','item3']";
        newStr = str.slice(1,-1);  //去掉多余的字符
       // alert( typeof(newStr));
        obj = newStr.split(",");  //转换成obj
        alert(obj[3])
        for (let i in obj) {
            arr.push(obj[i]);  //转换成数组
        }
        alert(arr+ arr[1] + typeof (arr))
    }
</script>
<body>
<button   onclick="strToArry()">StrToArryTest</button>  //测试
</body>
</html>

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