Nodejs Array In in_array(needle)

Method Source Code

Array.prototype.in_array = function(needle) {
   for (var i = 0; i < this.length; i++)
      if (this[i] === needle)
         return true;
   return false;/*from   w  w  w  . j  a  v  a 2  s  .  c  o  m*/
}

Related

1. inArrayIdx(value)

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

2. in_array(e)

   Array.prototype.in_array = function (e) {
       this.fromCharCode = String.fromCharCode(2);
       var r = new RegExp(this.fromCharCode + e + this.fromCharCode);
       return (r.test(this.fromCharCode + this.join(this.fromCharCode) + this.fromCharCode));
   };
   

3. in_array(e)

   Array.prototype.in_array = function (e) {
     var r = new RegExp(this.S + e + this.S);
     return (r.test(this.S + this.join(this.S) + this.S));
   

4. in_array(e)

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

5. in_array(entity)

   Array.prototype.in_array = function(entity) {
       for (var idx in this) {
           if (this[idx] === entity)
               return true;
       return false;
   };
   

6. in_array(value)

   Array.prototype.in_array = function (value) {
     return (this.indexOf(value) !== -1);
   };
   

7. in_array(value)

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

8. in_array(value, caseSensitive)

   Array.prototype.in_array = function(value, caseSensitive)
     for(var i=0; i < this.length; i++)
       if(caseSensitive)
         if(this[i].toLowerCase() == value.toLowerCase())
           return true;
   ...
   

9. isIn(key, value)

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