Nodejs Array Push Unique pushUnique(k, v)

Method Source Code

Array.prototype.pushUnique = function(k, v) {
   exist = false;/*from ww w.  j  a  v  a  2  s  .c  om*/
   for(var i = 0; i < this.length; i++) {
      if (this[i][k] == v) return this[i];
   }
   
   if (!exist) {
      obj = {};
      obj[k] = v;
      this.push(obj);
      return this[i++];
   }
}

Related

1. pushUniq(el, test)

   Array.prototype.pushUniq = function(el, test) {
       if (test == null) {
           if (this.indexOf(el) < 0) {
               this.push(el);
               return true;
           return false;
       for (var i = this.length; --i >= 0;)
   ...
   

2. pushUnique(item)

   Array.prototype.pushUnique = function(item){
       if(this.indexOf(item) === -1) this.push(item);
   

3. pushUnique(item)

   Array.prototype.pushUnique = function (item){
       if(this.indexOf(item) === -1) {
           this.push(item);
           return true;
       return false;
   };
   

4. pushUnique(item)

   Array.prototype.pushUnique = function (item) {
       if (this.indexOf(item) == -1) {
           this.push(item);
           return true;
       return false;
   };
   String.prototype.repeat = function (num) {
       return new Array(num + 1).join(this);
   ...
   

5. pushUnique(item,unique)

   Array.prototype.pushUnique = function(item,unique)
     if(unique === false) {
       this.push(item);
     } else {
       if(this.indexOf(item) == -1)
         this.push(item);
   };
   ...
   

6. pushUnique(obj)

   Array.prototype.pushUnique=function(obj){
     if(this.containsObject(obj)){
       return;
     this.push(obj);
   

7. pushUnique(obj, equalityFunction)

   Array.prototype.pushUnique = function (obj, equalityFunction) {
     equalityFunction  = (typeof equalityFunction === "undefined") ? function(a, b) { return a === b } : equalityFunction;
     for(var n = 0; n < this.length; n++) {
       if(equalityFunction(this[n], obj)) { 
         return false;
     this.push(obj);
     return true;
   ...
   

8. pushUnique(value)

   Array.prototype.pushUnique = function(value) {
       if (this.include(value)) return this;
       this.push(value);
       return this;
   Array.prototype.concatUnique = function(arr) {
       for (index in arr) {
           if (typeof arr[index] != "function") this.pushUnique(arr[index]);
       return this;
   

9. pushUniquely(e)

   Array.prototype.pushUniquely = function(e){
     for(var i=0;i<this.length;i++){
       var ae = this[i];
       if(ae instanceof Array && e instanceof Array){
         if(ae.isEqual(e)) return i;
       }else{
         if(ae==e) return i;
     return this.push(e)-1;