https://stackoverflow.com › questions › 939326
Execute JavaScript code stored as a string - Stack OverflowYou can execute it using a function. Example: var theInstructions = "alert('Hello World'); var x = 100"; var F=new Function (theInstructions); return(F());
https://stackabuse.com › bytes › executing-javascript-functions-from-string-names
Executing JavaScript Functions from String Names - Stack AbuseThe 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 properties of window using bracket notation. Here's a simple example: function greet() {
https://www.geeksforgeeks.org › how-to-execute-a-function-when-its-name-as-a-string-in...
How to execute a function when its name as a string in JavaScriptYou can use eval () to execute a JavaScript function when you have its name as a string. Syntax: function myFunction() { ... } const functionName = "myFunction"; eval(functionName + "()"); .
https://www.geeksforgeeks.org › how-to-call-function-from-it-name-stored-in-a-string...
How to call function from it name stored in a string ... - GeeksforGeeksThere 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. Method 1: Using the window object. The window object in HTML 5 references the current window and all items contained in it.
https://ourcodeworld.com › articles › read › 482 › how-to-execute-a-function-from-its-string...
How to execute a function from its string name (execute function by ...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:
https://javascript.info › eval
Eval: run a code string - The Modern JavaScript TutorialEval: run a code string. The built-in eval function allows to execute a string of code. The syntax is: let result = eval(code); For example: let code = 'alert("Hello")'; eval(code); // Hello. A string of code may be long, contain line breaks, function declarations, variables and so on.
https://www.sitepoint.com › call-javascript-function-string-without-using-eval
How to Call a JavaScript Function From a String Without Using evalYou can use the window object to call a function with a string by accessing the function as a property of the window object. Here’s an example: function hello() {console.log("Hello,...
https://www.w3docs.com › snippets › javascript › how-to-execute-a-javascript-function-when...
How to Execute a JavaScript Function when You have Its Name as a StringHow to Execute a JavaScript Function when You have Its Name as a String. In this tutorial, we will discuss the two methods that are used to execute a function from string stored in a variable. Let’s discuss which method is preferable and safe for this kind of situation.
https://stackoverflow.com › questions › 7650071
Is there a way to create a function from a string with javascript ...A better way to create a function from a string is by using Function: var fn = Function("alert('hello there')"); fn(); This has as advantage / disadvantage that variables in the current scope (if not global) do not apply to the newly constructed function. Passing arguments is possible too: var addition = Function("a", "b", "return a + b;");
https://www.tutorialspoint.com › how-to-call-a-function-from-its-name-stored-in-a-string...
How to call a function from its name stored in a string using JavaScript?We will use the eval () function to call a function from its name stored in a string. The eval () function evaluates a string as JavaScript code. This allows us to call the function by passing the string containing its name as an argument to the eval () function.