What is the best way(s) to fake function overloading in Javascript?   I know it is not possible to overload functions in Javascript as in other languages.  If I needed a function with two uses foo(x) and foo(x,y,z) which is the best / preferred way...
I use method overloading as below in my Javascript code.   function somefunction() {     //1st function }  function somefunction(a) {    //2nd function }  function somefunction(a,b) {    //3rd function }  somefunction(); // function call goes here...
Is there any way to create an array-like object in JavaScript, without using the built-in array? I'm specifically concerned with behavior like this:  var sup = new Array(5); //sup.length here is 0 sup[0] = 'z3ero'; //sup.length here is 1...
Spec  According to the MDN specification for Array.prototype.map() map should be used like this...  var new_array = arr.map(callback[, thisArg])   Problem  TypeScript has several overloaded declarations for map, and this makes it very difficult to ex...
i want to define an overloaded function like  function first(n?: number) {   if (number === undefined) {     // returns a single Item     return items[0];   }    // returns an array of Item   return items.slice(0, n); }   so that these statements typ...
so, call me lazy but I'm trying to add a bit of syntactic sugar to Javascript's alert function. Here's the code:  <script src='jquery.js'></script> <script> window.nativeAlert = window.alert window.alert = functi...
I'm trying to understand  function test() {   return 'foo'; }  console.log(test());  test = function() {   return 'bar'; }  console.log(test());  function test(a, b) {   return 'baz'; }  console.log(test()); console.log(te...
I am learning John Resig's javascript function overloading.  https://johnresig.com/blog/javascript-method-overloading/  I have a question while practicing the examples on this link:  function addMethod (object, name, fn) {   var old = object[ nam...
function Activity() {  this.LoadFile = function (path, targetElement) {      $.ajax({         url: path,         dataType: 'html',         success: function (data) {             targetElement.html(data);         }      }); };  this.LoadFile =...

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