Nodejs Array Push Unique push_unique(value)

Method Source Code

Array.prototype.push_unique = function (value) {
  if (!this.in_array(value)) {
      this.push(value);/*from  w w  w .jav a 2  s. c om*/
  }
};

Related

1. pushUnique(obj)

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

2. 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;
   ...
   

3. 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;
   

4. 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;
   

5. pushReplace(pattern)

   Array.prototype.pushReplace = function(pattern){
     var args = Array.prototype.slice.call(arguments, 1);
     this.push(pattern.replace(/\{(\d+)\}/g, function(pattern, index){
       return args[index].toString();
     }));
     return this;
   };