js Object2String is convenient to view js object content

Updated: November 24, 2014 18:47:11 Submission: mdxy-dxy

This article mainly introduces the method of outputting any JS object into a json format string. Friends who need it can refer to it

&lt;script type="text/javascript"&gt;
  /**
    * Output any JS object as a json format string
    * @param {Object} _obj: Object that needs to be output as string
    */
  var obj2String = function(_obj) {
    var t = typeof (_obj);
    if (t != 'object' || _obj === null) {
      // simple data type
      if (t == 'string') {
        _obj = '"' + _obj + '"';
      }
      return String(_obj);
    } else {
      if ( _obj instanceof Date) {
        return _obj.toLocaleString();
      }
      // recurse array or object
      var n, v, json = [], arr = (_obj &amp;&amp; _obj.constructor == Array);
      for (n in _obj) {
        v = _obj[n];
        t = typeof (v);
        if (t == 'string') {
          v = '"' + v + '"';
        } else if (t == "object" &amp;&amp; v !== null) {
          v = this.obj2String(v);
        }
        (( arr ? '' : '"' + n + '":') + String(v));
      }
      return ( arr ? '[' : '{') + String(json) + ( arr ? ']' : '}');
    }
  };
  var obj = {
    "result" : {
      "fs" : {
        "" : [{
          "_value" : "1.0",
          "_class" : 4
        }],
        ".GET_FNAMES" : [{
          "_value" : "0.0",
          "_class" : 4
        }],
        ".GET_TOKEN_ID" : [{
          "_value" : "0.0",
          "_class" : 4
        }],
        "" : [{
          "_value" : "0.0",
          "_class" : 4
        }]
      }
    },
    "isCanceled" : false,
    "e" : "",
    "isResponsed" : true,
    "aoqSize" : 0,
    "isAsyncPost" : false,
    "code" : 0,
    "reqUID" : "xxxx-xxxxxx-xxxxx-6c2f17bb-ea18-42ec-98fa-3f63b8d26aba-nd-rq",
    "version" : "1.0",
    "fName" : ".GET_FNAMES",
    "message" : "Successfully obtained 4 Features",
    "dir" : "DOWN",
    "nodeTime" : 1362462128706,
    "isKeyCompressed" : false,
    "seq" : 2
  }
  alert(obj2String(obj))
&lt;/script&gt;

Any object
json

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js Object2String is convenient to view js object content

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