Apr 6, 2012 · If you need to call a string function with arguments, do this: window[stringFunctionName].apply( window, arrayOfArguments ) You can use scope in place of window if preferred

Jan 9, 2024 · In this article, we are going to learn how to execute a function when its name is a string in JavaScript. Example: function myFunction() {...} const functionName ="myFunction"; Below are the approaches used to execute a function when its name is a string in JavaScript:

Jun 29, 2014 · Here is my Es6 approach which enables you to call your function by it's name as string or it's function name and also enable you to pass different numbers of arguments to different types of functions:

In javascript, object members can be access with a string the same way you do with an array. Assuming your function is declared in the global scope, it become a function in the window object. You can call it using a string. It seems if with no "I hate eval" one will be politically wrong.

Sep 8, 2023 · The most basic way to invoke a function from a string name in JavaScript is to use the window object. In a browser environment, all global JavaScript functions become methods of the window object. So, you can access these functions as …

Dec 26, 2022 · In this article, we will call a function from the string stored in a variable. There are two methods to call a function from a string stored in a variable. Using window object method; Using eval() method; Note: The eval() method is older and is deprecated.

Jun 29, 2017 · In this article we are going to show you how to retrieve a function into a variable from its string name or to execute it directly in JavaScript. 1. getFunctionByName. In order to execute a JavaScript function in the browser from its name, we recommend you to use the following function getFunctionByName:

Read this tutorial and learn about the safe method of calling a function when you have its name as a string. Also, read about why you should not use eval().

Oct 31, 2013 · You can use the Function constructor to call a function with a string by passing the string to the constructor. Here’s an example: var sum = new Function('a', 'b', 'return a + b');

Calling a function from a string, stored in a variable can be done in two different ways. The first approach makes use of the window object method, and the second method makes use of the eval() function.