Nodejs Array Multiply multiply(n)

Method Source Code

// Multiply the array by a number of times dictated by the 'n' parameter
Array.prototype.multiply = function(n){
  results = []// ww w. ja  va2  s  .  com
  for (var i = 0; i < this.length; i++){
    for (var j = 0; j < n; j++){
      results.push(this[i])
    }
  }

  return results
}

Related

1. mult(other)

   Array.prototype.mult = function(other) {
       if(isFinite(other))  
           other = new Array(this.length).fill(other);
       else
           console.assert(this.length == other.length, 'mult: len(a) != len(b)');
       var ret = new Array(this.length);
       for(var i = 0; i < ret.length; i++)
           ret[i] = this[i] * other[i];
       return ret;
   ...
   

2. mult2()

   Array.prototype.mult2 = function() {
       for (var i = 0; i < this.length; i++) {
           this[i] = this[i] * 2;
   };
   

3. multipleConcat()

   Array.prototype.multipleConcat = function() {
       var initialArray = arguments[0];
       if (arguments.length > 0) {
         for (var i = 1, arrayCount = arguments.length; i < arrayCount; i++ ) {
           initialArray.push.apply(initialArray, arguments[i]);
         return initialArray;
   };
   ...
   

4. multiples(multiple)

   Array.prototype.multiples = function(multiple) {
     var multiples = [];
     for (var i = 0; i < this.length; i++){
       multiples.push(this[i] * multiple);
     return multiples;
   console.log([1,2,3,4,5].multiples(5));
   Array.prototype.myEach = function(someFunction){
   ...
   

5. multiply(a2)

   Array.prototype.multiply = function(a2) {
     var l1 = this.length;
     var l2 = a2.length;
     var len = (l1 < l2 ? l1 : l2);
     var result = new Array(len);
     for (var i = 0; i < len; i++) {
       result[i] = this[i] * a2[i];
     return result;
   ...
   

6. multiplyByTwo()

   Array.prototype.multiplyByTwo = function() {
     var newArr = [];
     for (var i = 0; i < this.length; i++) {
       newArr.push(this[i] * 2)
     return newArr;
   };
   console.log([1, 2, 3].multiplyByTwo());
   Array.prototype.myEach = function(func) {
   ...
   

7. multislice(ranges)

   Array.prototype.multislice = function(ranges) {
     if(typeof ranges === 'undefined')
       throw Exception("Ranges have to be defined!");
     if(typeof ranges !== 'object') 
       throw Exception("You have to pass an array!");
     return ranges.map(el => this.slice(el.from, el.to));
   };
   

8. multislice(ranges)

   'use strict';
   var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { 
     return typeof obj; 
     } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };
   Array.prototype.multislice = function (ranges) {
     var _this = this;
     if (typeof ranges === 'undefined') throw Exception("Ranges have to be defined!");
     if ((typeof ranges === 'undefined' ? 'undefined' : _typeof(ranges)) !== 'object') throw Exception("You have to pass an array!");
     return ranges.map(function (el) {
   ...
   

9. multisplice()

   Array.prototype.multisplice = function(){
     var args = arguments[0], 
       res = [];
     args.sort( function(a, b){
        return a - b;
      });
     for(var i = 0; i < args.length; i++){
       var index = args[i] - i;
       res.push( this.splice(index, 1)[0] );
   ...