Nodejs Array Any Predicate any(p)

Method Source Code

Array.prototype.any = function (p) {
  for(let el of this){
    if(p(el)) {return true;}
  }/*from  www.  j  a  va  2  s  . co  m*/
  return false;
};

Related

1. any(p)

   Array.prototype.any = function(p) {
       var count = 0
       for (var i = 0; i < this.length; i++) {
           currentIndex = this[i]
           if (p(currentIndex) === true) {
               console.log(p(currentIndex), "true is true")
               count += 1
           };
       if (count > 0) {
           return true
       return false
   };
   function isGreaterThanZero(num) {
       return num > 0;
   function isLessThanZero(num) {
       return num < 0;
   

2. any(p)

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

3. any(p)

   Array.prototype.any = function (p) {
     for(var i = 0; i < this.length; i++){
       if(p(this[i])) return true;
     return false;
   };
   function isGreaterThanZero (num) {
     return num > 0;
   function isLessThanZero (num) {
     return num < 0;
   console.log([-1, 2, 3].any(isGreaterThanZero)); 
   console.log([-1, -2, -3].any(isGreaterThanZero)); 
   

4. any(p)

   Array.prototype.any = function (p) {
    return this.filter(p).length > 0;
   };
   

5. any(p)

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

6. any(p)

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

7. any(predicate)

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

8. any(predicate, context)

   Array.prototype.any = function (predicate, context) {
       context = context || window;
       var f = this.some || function (p, c) {
           var l = this.length;
           if (!p) return l > 0;
           while (l-- > 0)
               if (p.call(c, this[l], l, this) === true) return true;
           return false;
       };
   ...
   

9. any(searchItem)

   Array.prototype.any = function(searchItem){
     return this.filter(function(arrayItem){return arrayItem == searchItem}).length > 0;