老师我这样写对吗？

来源：3-18 编程练习

qq__淺唱_0

2019-02-13 17:44:32

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>数据类型转换</title>
</head>
<body>
<script>
    var 
      a="50px",
      b="px50",
      c="50px50",
      d="50.51";
    document.write(a+"<br>");
    document.write(b+"<br>");
    document.write(c+"<br>");
    document.write(d+"<br>");
    console.log(parseInt(a));
    console.log(parseInt(b));
    console.log(parseInt(c));
    console.log(parseInt(d));
</script>
</body>
</html>

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