Nodejs Array Get Unique getUnique()

Method Source Code

Array.prototype.getUnique = function(){
   var u = {}, a = [];
   for(var i = 0, l = this.length; i < l; ++i){
      if(u.hasOwnProperty(this[i])) {
         continue;//from ww  w . ja va  2 s.  c  om
      }
      a.push(this[i]);
      u[this[i]] = 1;
   }
   return a;
}

Related

1. getUnique()

   Array.prototype.getUnique = function(){
      var u = {}, a = [];
      for(var i = 0, l = this.length; i < l; ++i){
         if(u.hasOwnProperty(this[i])) {
            continue;
         a.push(this[i]);
         u[this[i]] = 1;
      return a;
   

2. getUnique()

   Array.prototype.getUnique = function(){
      var u = {}, a = [];
      for(var i = 0, l = this.length; i < l; ++i){
         if(u.hasOwnProperty(this[i])) {
            continue;
         a.push(this[i]);
         u[this[i]] = 1;
      return a;
   

3. getUnique()

   Array.prototype.getUnique = function () {
       var u = {}, a = [];
       for (var i = 0, l = this.length; i < l; ++i) {
           if (u.hasOwnProperty(this[i])) {
               continue;
           a.push(this[i]);
           u[this[i]] = 1;
       return a;
   var a = [1, 0, 0, 2, 3, 2, 4, 6, 2, 4, 6];
   console.log(a.getUnique());
   

4. getUnique()

   Array.prototype.getUnique = function(){
       var o = {}, a = [], i, e;
       for(i = 0; e = this[i]; i++){o[e] = 1};
       for(e in o) {a.push (e)};
       return a;