Nodejs Array All Predicate all(f)

Method Source Code

'use strict';/* ww w  .ja  va 2  s.  c o m*/

Math.randomChoice = function(a) {
    return a[this.floor(this.random() * a.length)];
}

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

Related

1. all()

   Array.prototype.all = function(){
     return this.every(function(x){
       return !!x;
     });
   };
   

2. 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
   };
   ...
   

3. 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;
       };
   };
   ...
   

4. 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
   ...
   

5. all(p)

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