Nodejs Array All Predicate all(predicate)

Method Source Code

Array.prototype.all = function(predicate){
  for (var i = 0; i < this.length; i++){
    if (!predicate(this[i])) {
      return false
    }/*from  ww  w.jav  a  2  s  . c  om*/
  }
  return true
}

Related

1. all(p)

   Array.prototype.all = function (p) {
    return this.filter(p).length == this.length;
   };
   

2. all(p)

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

3. all(p)

   Array.prototype.all = function (p) {
     for(let el of this){
       if(!p(el)) {return false;}
     return true;
   };
   

4. all(p)

   Array.prototype.all = function (p) {
     return (this.filter(p).length === this.length);
   };
   Array.prototype.none = function (p) {
     return (this.filter(p).length === 0);
   };
   Array.prototype.any = function (p) {
     return (this.filter(p).length > 0);
   };
   ...
   

5. all(p)

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

6. all(predicate, context)

   Array.prototype.all = function (predicate, context) {
     context = context || window;
     predicate = predicate || Predicate;
     var f = this.every || function (p, c) {
       return this.length == this.where(p, c).length;
     };
     return f.apply(this, [predicate, context]);
   };
   

7. allItemsAre(xAndY)

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

8. allItemsAre(xAndY)

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