Nodejs Array In inArray()

Method Source Code

/**/* w  w w  .  j  av  a  2 s .c o m*/
 *  Checks if a value exists in an array
 *
 *  @param array key
 *  @return Returns true if needle is found in the array, false otherwise
 */
Array.prototype.inArray = function()
{ 
  for (var j in this) { 
    if (this[j] == arguments[0]) { 
      return true;
    } 
  }

  return false;     
}

Related

1. in(ele)

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

2. in(elementToFind)

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

3. inArr(item)

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

4. inArray()

   Array.prototype.inArray = function() {
       for(var j in this) {
           if(this[j] == arguments[0]) {
               return true;
       return false;
   

5. inArray(comparer)

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

6. inArray(comparer)

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

7. inArray(comparer)

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

8. 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);
   ...