Nodejs Object Value Get hasValue(val)

Method Source Code

Object.prototype.hasValue = function(val){
   for (var key in this) {
      if (this.hasOwnProperty(key)) {
         if(this[key]==val){
            return true
         }/*ww  w.  j  av  a 2s  .  c om*/
      }
   }
   return false
}

Related

1. values()

   Object.prototype.values = function() {
     var v = [];
     for (var p in this) {
       if (this.hasOwnProperty(p)) {
         v.push(this[p]);
     return v;
   };
   ...
   

2. values(obj)

   Object.values = function(obj) { 
      return Object.keys(obj).map(function(key) { 
         return obj[key]; 
      }); 
   };
   

3. allProperties()

   Object.prototype.allProperties = function() {
       var prop,
           props = [];
       for(prop in this){
           if(this.hasOwnProperty(prop)){
               props.push(prop);
       return props;
   ...
   

4. isEmpty(obj)

   Object.isEmpty = function(obj) {
     for (var i in obj) {
       return false;
     return true;