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 w  w w.  j a  v a 2 s . c  o m*/
        }
        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());

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;
   

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;
   

5. 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;
   

6. 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;
   };
   

7. getUnique()

   Array.prototype.getUnique = function(){
       var that = this;
       for (var i = 0; i < that.length; i++){
           for (var j = i+1; j < that.length; j++){
               if(that[i] === that[j]){
                   that.splice(j, 1);
                   j--;
       return that;
   };