Nodejs Array Include includes(target)

Method Source Code

Array.prototype.includes = function (target) {
  var result = false
  this.forEach(function (el) {
    if (el == target) {
      result = true/*w w  w  .j  a  v  a2 s  . c o  m*/
    }
  });
  return result;
}

Related

1. includes(s)

   Array.prototype.includes = function(s) {
       return this.indexOf(s) > -1;
   };
   

2. includes(searchElement /*, fromIndex*/ )

   Array.prototype.includes = Array.prototype.includes || (function(searchElement  ) {
     var O = Object(this);
     var len = parseInt(O.length, 10) || 0;
     if (len === 0) return false;
     var n = parseInt(arguments[1], 10) || 0;
     var k;
     if (n >= 0) {
       k = n;
     } else {
   ...
   

3. includes(searchElement /*, fromIndex*/ )

   if (![].includes) {
     Array.prototype.includes = function(searchElement  ) {
       if (this === undefined || this === null) {
         throw new TypeError('Cannot convert this value to object');
       var O = Object(this);
       var len = parseInt(O.length, 10) || 0;
       if (len === 0) {
         return false;
   ...
   

4. includes(searchElement /*, fromIndex*/)

   if (!Array.prototype.includes) {
     Array.prototype.includes = function(searchElement ) {
       'use strict';
       if (this == null) {
         throw new TypeError('Array.prototype.includes called on null or undefined');
       var O = Object(this);
       var len = parseInt(O.length, 10) || 0;
       if (len === 0) {
   ...
   

5. includes(searchElement)

   Array.prototype.includes = function(searchElement) {  
       var O = Object(this);
       var len = parseInt(O.length) || 0;
       if (len === 0) {
         return false;
       var n = parseInt(arguments[1]) || 0;
       var k;
       if (n >= 0) {
   ...
   

6. includes(target)

   Array.prototype.includes = function(target) {
     for(var i in this) {
       if(this[i] === target) {
         return true;
       };
     };
     return false;
   };
   

7. includes(val)

   Array.prototype.includes = function (val) {
     var returnValue = false;
     this.forEach(function (el, i){
       if (val === el) {
         returnValue = true;
     });
     return returnValue;
   };
   ...
   

8. includes(val)

   var bubbleSort = function (arr) {
     var notSorted = true
     while (notSorted) {
       notSorted = false;
       for (var i = 0; i <= arr.length-2; i++) {
         var j = i+1;
         if (arr[j] < arr[i]) {
           var temp = arr[j];
           arr[j] = arr[i];
   ...
   

9. includes(val, from)

   Array.prototype.includes = function(val, from) {
       return this.indexOf(val, from) !== -1;