Nodejs Array Contain containsAll(items)

Method Source Code

// Return whether all of a list of values exists in an array
Array.prototype.containsAll = function(items)
{
   for(var i = 0; i<items.length; i++) {
      if(this.indexOf(items[i]) == -1)
         return false;
   }/*from  w  w w .  j a  v a 2 s  .  c  o m*/
   return true;
};

Related

1. contains(what)

   Array.prototype.contains = function (what) {
     var contains = false;
     if (typeof what !== 'function') {
       this.forEach(function (item) {
         if (contains) return;
         contains = (item === what);
       });
       return contains;
     this.forEach(function (item) {
       if (contains) return;
       contains = what(item);
     });
     return contains;
   };
   

2. contains(x)

   Array.prototype.contains=function(x){
    for(i in this){
      if((x.city==this[i].city || x.firstName==this[i].firstname || x.lastName==this[i].lastname))
        return true;
    return false;
   

3. contains(x)

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

4. containsAll(c)

   Array.prototype.containsAll = function(c) {
       for (var i = c.length - 1; i >= 0; i--) {
           if (!this.contains(c[i])) {
               return false;
       return true;
   };
   

5. containsAll(elements)

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

6. containsAny(c)

   Array.prototype.containsAny = function(c) {
       for (var i = c.length - 1; i >= 0; i--) {
           if (this.contains(c[i])) {
               return true;
       return false;
   };
   

7. containsAny(items)

   Array.prototype.containsAny = function(items)
     for(var i=0; i<items.length; i++) {
       if(this.indexOf(items[i]) != -1)
         return true;
     return false;
   };
   

8. containsAnyOf(array)

   Array.prototype.containsAnyOf = function(array) {
     var i = this.length;
     while (i--) {
       for (var x in array) {
         if (this[i] === array[x]) {
           return true;
     return false;
   

9. containsArray(arr)

   Array.prototype.containsArray = function(arr) {
       for (var i = 0; i < this.length; ++i) {
           if (this[i].length == arr.length) {
               var j;
               for (j = 0; j < arr.length; ++j)
                   if (arr[j] != this[i][j])
                       break;
               if (j == arr.length)
                   return i;
   ...