Js中实现两个变量值互换

<body>

  <script>

    var a = 100

    var b = 200

    var c

    c = a

    a = b

    b = c

    console.log(a,b,c);

  </script>

</body>

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转载自blog.csdn.net/x_y_b/article/details/121594702