Nodejs Array All Predicate all(p)

Method Source Code

Array.prototype.all = function (p) {
  for(let el of this){
    if(!p(el)) {return false;}
  }//from  ww w . j  av a 2  s  .c  om
  return true;
};

Related

1. all(p)

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

2. all(p)

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

3. all(p)

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

4. all(p)

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

5. all(p)

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

6. 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);
   };
   ...
   

7. all(p)

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

8. all(predicate)

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

9. 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]);
   };