Nodejs Array Distinct distinct2()

Method Source Code

Array.prototype.distinct2 =  function(){
   var _self = this;
   var _a = this.concat().sort(); 
   console.log(_a);//from w  ww.  j  a v a2  s .  c o  m

   _a.sort(function(a,b){
      console.log("a: "+ a, "b: "+ b);
      if(a == b){
         var n = _self.indexOf(a);
         _self.splice(n, 1);
      }
   });
   return _self;
}

Related

1. distinct()

   Array.prototype.distinct = function () {
       var result = new Array();
       this.forEach(x => {
           if (!result.contains(x))
               result.push(x);
       });
       return result;
   };
   

2. distinct()

   Array.prototype.distinct = function(){
     var self = this
     var _array = []
     self.forEach(function(e){
       if(_array.contains(e)){
         _array.push(e)
     })
     return _array
   ...
   

3. distinct()

   Array.prototype.distinct = function () {
     var result = [];
     var hash = new Dictionary();
     forEach(this, function (element) {
       if (!hash.contains(element)) {
         result.push(element);
         hash.store(element, element);
     });
   ...
   

4. distinct()

   Array.prototype.distinct = function () {
       var sameObj = function (a, b) {
           var tag = true;
           if (!a || !b) return false;
           for (var x in a) {
               if (!b[x])
                   return false;
               if (typeof (a[x]) === 'object') {
                   tag = sameObj(a[x], b[x]);
   ...
   

5. distinct(comparer)

   Array.prototype.distinct = function (comparer) {
     var arr = [];
     var l = this.length;
     for (var i = 0; i < l; i++) {
       if (!arr.contains(this[i], comparer))
         arr.push(this[i]);
     return arr;
   };
   ...