Nodejs Array Get Object getIndexByValue(value)

Method Source Code

Array.prototype.getIndexByValue = function (value) {
    var index = -1;
    for (var i = 0; i < this.length; i++) {
        if (this[i] == value) {
            index = i;//from www . j av a2  s.co m
            break;
        }
    }
    return index;
}

Related

1. 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;
   };
   

2. 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;
   

3. getIndexBy(name, value)

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

4. getIndexByKey(name)

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

5. getIndexByVal(key,val)

   Array.prototype.getIndexByVal=function(key,val){
       for (var i in this){
           if(this[i].hasOwnProperty(key)){
               if(this[i][key]===val){
                   return i
       return false
   ...
   

6. getIndexFromID(id)

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

7. getItemByIndex( i )

   Array.prototype.getItemByIndex = function( i ) {
     me = this;
     return me[i];
   a = [ '11', '22', '33' ];
   a.getItemByIndex( 1 );
   

8. getItemFromID(id)

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

9. getObjHasKey(key)

   Array.prototype.getObjHasKey=function(key){
       for (var i in this){
           if(this[i].hasOwnProperty(key)){
               return i
       return false