Nodejs Array Equal equals(array)

Method Source Code

Array.prototype.equals = function (array) {
    // If the other array is a falsy value, return
    if (!array)/*from  w  w  w.  j a  v a 2  s.c  om*/
        return false;

    // Compare lengths - can save a lot of time
    if (this.length != array.length)
        return false;

    for (var i = 0; i < this.length; i++) {
        // Check if we have nested arrays
        if (this[i] instanceof Array && array[i] instanceof Array) {
            // Recurse into the nested arrays
            if (!this[i].equals(array[i]))
                return false;
        }
        else if (this[i] != array[i]) {
            // Warning - two different object instances will never be equal: {x:20} != {x:20}
            return false;
        }
    }
    return true;
}

Related

1. equals(array)

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

2. equals(array)

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

3. equals(array)

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

4. equals(array)

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

5. equals(array)

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

6. equals(array)

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

7. equals(array)

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

8. equals(array)

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

9. equals(array)

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