Variables are containers for storing values. All JavaScript variables must be identified with unique names. These unique names are called identifiers. Identifiers can be short names (like x and …

Jun 28, 2013 · I have a JavaScript variable which contains the name of a JavaScript function. This function exists on the page by having been loaded in and placed using $.ajax, etc. Can …

The JavaScript call () Method The call() method is a predefined JavaScript method. It can be used to invoke (call) a method with an object as an argument (parameter).

Apr 28, 2025 · With call(), you can assign an arbitrary value as this when calling an existing function, without first attaching the function to the object as a property. This allows you to use …

Is there a way to refer to a Javascript variable with a string that contains its name? example: var myText = 'hello world!'; var someString = 'myText'; //how to output myText value using someStr...

Jul 18, 2011 · You can just say: foo[myVar](); Since foo is a JavaScript object, this code will reference the member by name contained in the myVar variable.

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 …

Apr 15, 2025 · To use a variable, you've first got to create it — more accurately, we call this declaring the variable. To do this, we type the keyword let followed by the name you want to …

After declaring a variable or function with the var keyword, you can call it at any time by invoking its name. Variable: Function: console.log(name); I've completely forgotten how you do it and I …

Dec 27, 2018 · I'm storing a piece of JavaScript Code inside a variable and I want to later call it like if it was a normal function, not using eveal (). Quite like a callback that a code library can …