Posted By

quickredfox on 08/20/09

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Last Edited at 08/20/09 01:03pm

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Remedial Javascript (D. Crockford)

/ Published in: JavaScript

Remedial Javascript As Proposed by Douglas Crockford (http://javascript.crockford.com/remedial.html)

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/*
 Author: Douglas Crockford
 Source: http://javascript.crockford.com
 Description: 
 
     Remedial Javascript As Proposed by Douglas Crockford (http://javascript.crockford.com/remedial.html)

String.prototype.supplant = function (o) {
       return this.replace(/{([^{}]*)}/g,
           function (a, b) {
               var r = o[b];
               return typeof r === 'string' || typeof r === 'number' ? r : a;
           }
       );
   };
   
   String.prototype.trim = function () {
       return this.replace(/^\s+|\s+$/g, "");
   };
   
   // Do whatever you want here
   var R = {
      typeOf: function(value) {
          var s = typeof value;
          if (s === 'object') {
              if (value) {
                  if (typeof value.length === 'number' &&
                          !(value.propertyIsEnumerable('length')) &&
                          typeof value.splice === 'function') {
                      s = 'array';
                  }
              } else {
                  s = 'null';
              }
          }
          return s;
      },
      isEmpty: (o) {
          var i, v;
          if (typeOf(o) === 'object') {
              for (i in o) {
                  v = o[i];
                  if (v !== undefined && typeOf(v) !== 'function') {
                      return false;
                  }
              }
          }
          return true;
      }
     
   }
   return R;
})();

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