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...
I have a problem with old website. All JavaScript code on it use getElemenById function. But tags of site markup doen't have id property, instead they have only name property. Although it still works for IE, browser returns elements even by name...
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 have an enum of possible values for the first parameter and I want the second parameter to be based on the first parameter. So, if NAME is given I want the second parameter to be as string. If AGE is given, I want the second parameter to be a numbe...
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...

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