Nodejs Array Any Predicate any(predicate)

Method Source Code

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

Related

1. 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)); 
   

2. any(p)

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

3. any(p)

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

4. any(p)

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

5. any(p)

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

6. 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;
       };
   ...
   

7. any(searchItem)

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

8. any(x)

   Array.prototype.any = function(x){
       var found = false;
       var i = 0;
       while(!found && i < this.length){
           if(typeof x === 'function'){
              if(x(this[i])){
                  found = true;
           }else if(x == this[i]){
   ...
   

9. AnyT(lambda, t)

   Array.prototype.AnyT = function(lambda, t) {
       if (typeof (lambda) !== "function")
           throw new Error("lambda must be a function");
       for (var idx = 0; idx < this.length; idx++) {
           var obj = this[idx];
           if (typeof (obj) !== t)
               throw new Error("array items must be " + t + " types but " + obj + " is a " + typeof (obj));
           if (lambda(obj))
               return true;
   ...