Nodejs Array Last last()

Method Source Code

Array.prototype.last = function() {
    if (this.length == 0) return null
    return this.slice(this.length - 1)[0]
}

Related

1. last()

   Array.prototype.last = function(){
     return this[this.length-1];
   Array.prototype.first = function(){
     return this[0];
   Array.prototype.removeAtIndex = function(index){
     this.splice(index,1);
   

2. last()

   Array.prototype.last = function () {
       if (this.length > 0)
           return this[this.length - 1];
       else
           return undefined;
   

3. last()

   Array.prototype.last = function() {
     return this[this.length-1];
   

4. last()

   Array.prototype.last = function ()
     return this[ (this.length-1) ];
   };
   

5. last()

   Array.prototype.last = function() {
       if (this.isEmpty()) {
           return null;
       return this[this.length - 1];
   };
   

6. last(arr)

   Array.prototype.last = function (arr) {
     return this[this.length-1]
   

7. last(fn, scope)

   Array.prototype.last = function(fn, scope) {
       if (Object.prototype.toString.call(this) !== '[object Array]') {
           throw new TypeError("`this` must be Array, not " + typeof this);
       if (typeof fn === 'undefined') {
           return this[this.length - 1];
       if (typeof fn !== 'function') {
           throw new TypeError("Optional argument[0] must be predicate function if defined");
   ...
   

8. last(func)

   Array.prototype.last = function (func) {
       var length = this.length - 1,
           item = null;
       for (var i = length; i >= 0; i--) {
           if (func(this[i])) {
               item = this[i];
               break;
       return item;
   

9. last(n)

   Array.prototype.last = function (n) {
       'use strict';
       return this.slice(this.length - (n || 1), this.length);
   };