Nodejs Array Contain contains(target, ordered)

Method Source Code

Array.prototype.contains = function (target, ordered) {
    ordered = ordered || false;/* w w w  .  j av a  2s.  c o m*/
    var foundAll = true;
    if (ordered) {
        var lastIdx = -1;
        for (var i = 0; i <= target.length - 1; i++) {
            lastIdx = this.indexOf(target[i], lastIdx + 1);
            if (lastIdx == -1) {
                foundAll = false;
                break;
            }
        }
        return foundAll;
    } else {
        for (var i = 0; i <= target.length - 1; i++) {
            if (this.indexOf(target[i]) == -1) {
                foundAll = false;
                break;
            }
        }
        return foundAll;
    }
};

Related

1. contains(query)

   Array.prototype.contains = function (query)
     function compare(element) 
       return element === query;
     return this.some(compare);
   };
   

2. contains(search)

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

3. contains(str)

   Array.prototype.contains = function(str)
     return this.indexOf(str) != -1;
   };
   

4. contains(str)

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

5. contains(target)

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

6. contains(v)

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

7. contains(v)

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

8. contains(v)

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

9. contains(v)

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