Nodejs Array Get Object getIndex(a)

Method Source Code

Array.prototype.getIndex=function(a){
   var index=-1;// w w w .ja va  2 s  .co  m
   for(var i=0;i<this.length;i++){
      if(this[i]==a){
         index=i;
         break;
      }
   }
   return index;
}

Related

1. getById(id)

   Array.prototype.getById = function(id) {
       for(var i=0; i<this.length; i++) {
           if(this[i]._id == id) {
               return this[i];
   

2. getByKey(aName)

   Array.prototype.getByKey = function(aName) {
       for(var i = this.length-1; i >= 0; i--)
           if(this[i].getKey() === aName)
               return this[i];
       return null;
   };
   

3. getEach(code)

   Array.prototype.getEach = function(code){
       var rev = [];
       for(var i = 0 ; i < this.length ; i++){
           rev.push(this[i][code]);
       return rev;
   };
   

4. getFrequency()

   Array.prototype.getFrequency=function(){
       this.sort()
       var count=0
       var max={
           val:0,
           num:0
       for (var i =1;i<this.length;i++){
           if(this[i]===""){
   ...
   

5. getIndexBy(name, value)

   'use strict';
   Array.prototype.getIndexBy = function (name, value) {
     for (var i = 0; i < this.length; i++) {
       if (this[i][name] === value) {
         return i;
   };
   

6. getIndexBy(name, value)

   Array.prototype.getIndexBy = function(name, value) {
     for (var i = 0; i < this.length; i++) {
       if (this[i][name] == value) {
         return i;
     return -1;
   

7. getIndexBy(name, value)

   angular
       .module('app', [
           'angular.filter',
           'ui.router',
           'ngAnimate',
           'ngMaterial',
           'user',
           'login',
           'register',
   ...
   

8. getIndexByKey(name)

   Array.prototype.getIndexByKey = function(name) {
     for (var i = 0; i < this.length; i++) {
       if (this[i][name]) {
         return i;
     return -1;