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JavaScript var_dump (Mark 2)

Same as var_dump for PHP, but for JavaScript. Useful if you do not have Firebug.

A typical useage:

document.write(var_dump(ANY-JS-VAR,'html'));

   1  
   2       function var_dump(data,addwhitespace,safety,level) {
   3          var rtrn = '';
   4          var dt,it,spaces = '';
   5          if(!level) {level = 1;}
   6          for(var i=0; i<level; i++) {
   7             spaces += '   ';
   8          }//end for i<level
   9          if(typeof(data) != 'object') {
  10             dt = data;
  11             if(typeof(data) == 'string') {
  12                if(addwhitespace == 'html') {
  13                   dt = dt.replace(/&/g,'&amp;');
  14                   dt = dt.replace(/>/g,'&gt;');
  15                   dt = dt.replace(/</g,'&lt;');
  16                }//end if addwhitespace == html
  17                dt = dt.replace(/\"/g,'\"');
  18                dt = '"' + dt + '"';
  19             }//end if typeof == string
  20             if(typeof(data) == 'function' && addwhitespace) {
  21                dt = new String(dt).replace(/\n/g,"\n"+spaces);
  22                if(addwhitespace == 'html') {
  23                   dt = dt.replace(/&/g,'&amp;');
  24                   dt = dt.replace(/>/g,'&gt;');
  25                   dt = dt.replace(/</g,'&lt;');
  26                }//end if addwhitespace == html
  27             }//end if typeof == function
  28             if(typeof(data) == 'undefined') {
  29                dt = 'undefined';
  30             }//end if typeof == undefined
  31             if(addwhitespace == 'html') {
  32                if(typeof(dt) != 'string') {
  33                   dt = new String(dt);
  34                }//end typeof != string
  35                dt = dt.replace(/ /g,"&nbsp;").replace(/\n/g,"<br>");
  36             }//end if addwhitespace == html
  37             return dt;
  38          }//end if typeof != object && != array
  39          for (var x in data) {
  40             if(safety && (level > safety)) {
  41                dt = '*RECURSION*';
  42             } else {
  43                try {
  44                   dt = var_dump(data[x],addwhitespace,safety,level+1);
  45                } catch (e) {continue;}
  46             }//end if-else level > safety
  47             it = var_dump(x,addwhitespace,safety,level+1);
  48             rtrn += it + ':' + dt + ',';
  49             if(addwhitespace) {
  50                rtrn += '\n'+spaces;
  51             }//end if addwhitespace
  52          }//end for...in
  53          if(addwhitespace) {
  54             rtrn = '{\n' + spaces + rtrn.substr(0,rtrn.length-(2+(level*3))) + '\n' + spaces.substr(0,spaces.length-3) + '}';
  55          } else {
  56             rtrn = '{' + rtrn.substr(0,rtrn.length-1) + '}';
  57          }//end if-else addwhitespace
  58          if(addwhitespace == 'html') {
  59             rtrn = rtrn.replace(/ /g,"&nbsp;").replace(/\n/g,"<br>");
  60          }//end if addwhitespace == html
  61          return rtrn;
  62       }//end function var_dump

var_dump for javascript

hackish implementation of the php 'var_dump()' in javascript:

   1  
   2  function var_dump(obj) {
   3     if(typeof obj == "object") {
   4        return "Type: "+typeof(obj)+((obj.constructor) ? "\nConstructor: "+obj.constructor : "")+"\nValue: " + obj;
   5     } else {
   6        return "Type: "+typeof(obj)+"\nValue: "+obj;
   7     }
   8  }//end function var_dump
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