Nodejs Array In inArray(find, option)

Method Source Code

/**//from   w  ww  . j  ava  2s .co m
 * Array prototype sets.
 *
 * A boy IRC bot, Marcas.
 */

/**
 * Array.prototype.inArray   Returns true if find is in the array.
 * @param  {String} find   String to find
 * @return {boolean}
 */
Array.prototype.inArray = function (find, option) {
    var length = this.length;

    for (var i = 0; i < length; i++) {
        if (option == "case-insensitive") {
            if (this[i].toLowerCase() == find.toLowerCase()) {
                return true;
            }
        }
        if (this[i] == find) {
            return true;
        }
    }

    return false;
};

Related

1. inArray(comparer)

   Array.prototype.inArray = function(comparer) {
     for (var i = 0; i < this.length; i++) {
       if (comparer(this[i])) return true;
     return false;
   };
   Array.prototype.pushIfNotExist = function(element, comparer) {
     if (!this.inArray(comparer)) {
       this.push(element);
   ...
   

2. inArray(comparer)

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

3. inArray(e)

   Array.prototype.inArray = function(e) {
       for (var i in this){
           if (this[i]===e) return true;
       return false;
   

4. inArray(e)

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

5. inArray(element)

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

6. inArray(i)

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

7. inArray(item)

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

8. inArray(needle)

   Array.prototype.inArray=function(needle){
       for(var i=0;i<this.length;i++){
         if(this[i]===needle){
           return true;
       return false;
   var arr=["red","blue","yellow"];
   ...
   

9. inArray(needle)

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