https://developer.mozilla.org › ... › Web › JavaScript › Reference › Global_Objects › ReferenceError

The ReferenceError object represents an error when a variable that doesn't exist (or hasn't yet been initialized) in the current scope is referenced. ReferenceError is a serializable object , so it can be cloned with structuredClone() or copied between Workers using postMessage() .

https://stackoverflow.com › questions › 12589391

A ReferenceError occurs when you try to use a variable that doesn't exist at all. A TypeError occurs when the variable exists, but the operation you're trying to perform is not appropriate for the type of value it contains.

https://www.w3schools.com › jsref › jsref_obj_error.asp

The Error object provides error information when an error occurs. Example. In this example we have written "alert" as " adddlert " to deliberately produce an error. Return the error name and a description of the error: try { adddlert ("Welcome"); } catch(err) { document.getElementById("demo").innerHTML = err.name + "<br>" + err.message; }

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Errors

JavaScript error reference. Below, you'll find a list of errors which are thrown by JavaScript. These errors can be a helpful debugging aid, but the reported problem isn't always immediately clear. The pages below will provide additional details about these errors.

https://www.digitalocean.com › community › tutorials › how-to-troubleshoot-referenceerror...

A ReferenceError occurs when you try to access a variable that you haven’t created yet. It also occurs when you call a variable before initializing it. Encountering Undefined Variables. For instance, if you misspell a variable name while executing a console.log(), you’ll receive a ReferenceError: let sammy = 'A Shark dreaming of the cloud.';

https://rollbar.com › blog › javascript-referenceerror

ReferenceError Example. Here’s an example of a Javascript ReferenceError thrown when referencing a variable that is out of scope: function text() { var str = "Hello World"; return str; } console.log(str); In the above example, the variable str is defined inside the text() function and referenced

https://careerkarma.com › blog › javascript-referenceerror

In JavaScript, a reference error is thrown when a code attempts to reference a non-existing variable. In this article, we will dive into the most common types of reference error triggers and how to fix them.

https://www.geeksforgeeks.org › difference-between-type-error-and-reference-error-in...

In this article, we will explore the differences between Type Errors and Reference Errors, and provide tips on how to avoid these errors in your JavaScript code. By understanding these common issues and how to prevent them, you can write more robust and reliable JavaScript code.