Nodejs Array Equal equals(that)

Method Source Code

"use strict";// w ww  . java  2  s . com

Array.prototype.equals = function(that) {
   if(!Array.isArray(that)) {
      return false;
   }
   if(this.length !== that.length) {
      return false;
   }
   for(var i = 0; i < this.length; i++) {
      if(this[i] !== that[i]) {
         return false;
      }
   }
   return true;
};

Related

1. equals(other)

   function is_self_describing(n) {
       var digits = Number(n).toString().split("").map(function(elem) {return Number(elem)});
       var len = digits.length;
       var count = digits.map(function(x){return 0});
       digits.forEach(function(digit, idx, ary) {
           if (digit >= count.length)
               return false
           count[digit] ++;
       });
   ...
   

2. equals(other, callback = (x, y) => (x === y))

   Array.prototype.equals = function (other, callback = (x, y) => (x === y)) {
     if (Object.getPrototypeOf(this) !== Object.getPrototypeOf(other)) {
       return false;
     if (this.length === undefined || this.length !== other.length) {
       return false;
     return Array.prototype.every.call(this, (x, i) => callback(x, other[i]));
   };
   ...
   

3. equals(otherArray)

   Array.prototype.equals = function(otherArray) {
     if (this.length !== otherArray.length) {
       return false;
     for (var i = 0; i < this.length; i++) {
       if (this[i] !== otherArray[i]) {
         return false;
       return true;
   ...
   

4. equals(target)

   var fs = require("fs");
   Array.prototype.equals = function(target) {
     if(this.length !== target.length) return false;
     for (var i=0; i<this.length; i++) {
       if(this[i] !== target[i]) return false;
     return true;
   module.exports.loadSheet = function(type2, name) {
   ...
   

5. equals(targetArray)

   Array.prototype.equals = function (targetArray) {
       if (!targetArray)
           return false;
       if (this.length != targetArray.length)
           return false;
       for (var i = 0, l=this.length; i < l; i++) {
           if (this[i] instanceof Array && targetArray[i] instanceof Array) {
               if (!this[i].equals(targetArray[i]))
                   return false;       
   ...
   

6. equalsTo(arr)

   Array.prototype.equalsTo = function(arr) {
       if (this.length != arr.length)
           return false;
       for (var i = 0; i < this.length; ++i)
           if (arr[i] != this[i])
               return false;
       return true;