Nodejs Object Value Get hasValue(val)

Here you can find the source of 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;