Nodejs Array Some someArray.prototype.some || (fun /*, thisp */)

Method Source Code

Array.prototype.some = Array.prototype.some || function(fun /*, thisp */) {
  "use strict";/*ww w  .j av  a 2 s.c o m*/
  if (this === void 0 || this === null) throw new TypeError();
  var t = Object(this);
  var len = t.length >>> 0;
  if (typeof fun !== "function") throw new TypeError();
  var thisp = arguments[1];
  for (var i = 0; i < len; i++) {
    if (i in t && fun.call(thisp, t[i], i, t)) return true;
  }
  return false;
};

Related

1. some(fun /*, thisArg */)

   Array.prototype.some = Array.prototype.some || function(fun ) {
       'use strict';
       if (this === void 0 || this === null)
           throw new TypeError();
       var t = Object(this);
       var len = t.length >>> 0;
       if (typeof fun !== 'function')
           throw new TypeError();
       var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
   ...
   

2. some(fun /*, thisp*/)

   Array.prototype.some = function(fun ) {
       var len = this.length;
       if (typeof fun != "function") {
           throw new TypeError();
       var thisp = arguments[1];
       for (var i = 0; i < len; i++) {
       if (i in this && fun.call(thisp, this[i], i, this))
           return true;
   ...
   

3. some(fun /*, thisp*/)

   Array.prototype.some = Array.prototype.some || function(fun ) {
       var i = 0,
           len = this.length >>> 0;
       if (typeof fun != "function") {
           throw new TypeError();
       var thisp = arguments[1];
       for (; i < len; i++) {
           if (i in this &&
   ...
   

4. some(fun, thisArg)

   Array.prototype.some = function(fun, thisArg) {
     "use strict";
     var i, len, t;
     if (this === void 0 || this === null) {
       throw new TypeError();
     t = Object(this);
     len = t.length >>> 0;
     if (typeof fun !== "function") {
   ...
   

5. some(iterator)

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

6. someMethod()

   Array.prototype.someMethod = function() {
       return 'this is just a test';
   };
   export {Array};
   

7. someSyncasync (callback, thisArg)

   Array.prototype.someSync = async function (callback, thisArg) {
     for (let [index, item] of Object.entries(this)) {
       if (await callback(item, index, this)) return true
     return false