7.数组转字符串 - HTML5&CSS3.0基础部分-xyphf

2023-11-12 36 阅读1分钟

数组、json转字符串——toString

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>数组转字符串</title>
<script>
var arr = [12,5];
var arr = {a:12,b:5};

alert(typeof arr.toString());

</script>
</head>
<body>

</body>
</html>