Nodejs Array Convert toNumsOnly()

Method Source Code

Array.prototype.toNumsOnly = function() {
  return this.filter(el => !parseInt(el, 10).isNotNumber());
};

Related

1. toJson()

   Array.prototype.toJson = function(){
     return JSON.stringify(this);
   };
   

2. toList(separator, aggregator)

   Array.prototype.toList = function(separator, aggregator) {
     aggregator = aggregator || separator;
     return this.join(aggregator, [this.join(separator, this.slice(0, -1)), this.slice(-1)]);
   };
   

3. toNumFixed(num)

   Array.prototype.toNumFixed = function (num) {
     for (var i = 0; i < this.length; i++) {
       this[i] = this[i].toNumFixed(num);
     return this;
   

4. toNumber()

   Array.prototype.toNumber = Array.prototype.toNumber || function () {
     let result;
     this.forEach(digit => {
       let power = 10;
       while (digit >= power) {
         power *= 10;
       result = ((result || 0) * power) + digit;
     });
   ...
   

5. toNumbers()

   Array.prototype.toNumbers = function() {
     for (var i=0; i<this.length;i++) {
       var val = Number(this[i]);
       if (!isNaN(val)) {
         this[i] = val;
       } else {
         this[i] = 0;
     return this;
   };
   

6. toObject()

   Array.prototype.toObject = function() {
     var object = {};
     for (var i = 0; i < this.length; ++i)
       object[i] = this[i];
     return object;
   

7. toObject()

   'use strict';
   Array.prototype.toObject = function() {
     var arr = this,
       res = { } ;
     for (var i = 0 ; i < arr.length ; i++) {
       res[ arr[i] ] = arr[i]
     return res
   

8. toObject()

   Array.prototype.toObject = function() {
     var resultObject = {};
     this.map(function (element, index) {
       resultObject[index] = element;
     });
     return resultObject;
   };
   

9. toObject(projection)

   Array.prototype.toObject = function (projection) {
     var result = {};
     for (var i = 0; i < this.length; i++)
       result[this[i][projection]] = this[i];
     return result;
   };