js_progress/deepClone.html at master · Max-hearted/js_progress · GitHub

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<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>


    <script type="text/javascript">

    //深度克隆的函数实现


      function deepClone(origin, target) {

        var target = target || {},
        toStr = Object.prototype.toString,
        arrStr = "[object Array]";

        for(var prop in origin) {
          if(origin.hasOwnProperty(prop)) {
            if(origin[prop] !== "null" && typeof (origin[prop] == "object")) {
              if(toStr.call(origin[prop]) == arrStr) {
                target[prop] = [];
              }else{
                target[prop] = {};
              }
              deepClone(origin[prop], target[prop]);
            }else{
              target[prop] = origin[prop];
            }
          }
        }
      }
    </script>
  </body>
</html>