Nodejs Array Contain contains(obj)

Method Source Code

Array.prototype.contains = function(obj) {
  var i = this.length;
  while (i--) {/*from  w w w.  ja v  a  2  s .  c o m*/
    if (this[i] === obj) {
      return true;
    }
  }
  return false;
}

//This prototype is provided by the Mozilla foundation and
//is distributed under the MIT license.
//http://www.ibiblio.org/pub/Linux/LICENSES/mit.license

if (!Array.prototype.indexOf)
{
  Array.prototype.indexOf = function(elt /*, from*/)
  {
    var len = this.length;

    var from = Number(arguments[1]) || 0;
    from = (from < 0)
         ? Math.ceil(from)
         : Math.floor(from);
    if (from < 0)
      from += len;

    for (; from < len; from++)
    {
      if (from in this &&
          this[from] === elt)
        return from;
    }
    return -1;
  };
}

Related

1. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   

2. contains(obj)

   Array.prototype.contains = function (obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   

3. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   };
   ...
   

4. contains(obj)

   Array.prototype.contains=function(obj) {
       var index=this.length;
       while (index--){
           if(this[index]===obj){
               return true;
       return false;
   

5. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   if (!String.prototype.startsWith) {
     String.prototype.startsWith = function(searchString, position) {
       position = position || 0;
       return this.indexOf(searchString, position) === position;
     };
   String.prototype.arrayfy = function(n) {
     arr = this.split(' ');
     return arr.slice(0,n);
   window.required = [];
   window.require = function(script, callback) {
     if(!required.contains(script))
       $.get(script + ".js", function(data){
         required.push(script);
         eval(data);
         if(callback != null)
           callback();
       });
   

6. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] === obj) {
               return true;
       return false;
   

7. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   };
   ...
   

8. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (angular.equals(this[i], obj)) {
               return true;
       return false;
   };
   ...
   

9. contains(obj)

   Array.prototype.contains = function(obj){
     var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;