Why am I getting “window is not defined” error?

To solve the”ReferenceError: window is not defined” error, make sure to only use the window global variable on the browser. The variable represents a window containing a DOM document and can’t be used on the server side (e.g. in Node. js). If you need to define global variables in Node.

Using window in Node.js.
Using window on the server (e.g. server side rendering in Next.js).
Misspelled the window global variable (should be all lowercase).

What is not defined error?

If you’re using jQuery, Angular JS, or just plain unattractive JavaScript and you’re getting an “Uncaught ReferenceError: dollar not defined” error, which translates to $, it’s either a per-method variable that you want to use before using the var keyword.

Can you use window in Nextjs?

React is a client-side library, which means you can test everything you know about the web, including documents and space. If you have come, you are on Next. js from Create React App or using React as a single page app marketplace, there are a few pitfalls to avoid.

Is not defined in JavaScript?

The JavaScript “variable is set” difference does not occur when a non-existent variable is referenced on the right.

What Does not defined mean in code?

This usually indicates that the “thing” you’re seriously asking for doesn’t exist (or at least can’t be found by the function requesting it). Can it be a variable, a model, or a function?

Why am I getting “window is not defined” error?

So if the source code references it, you will most likely get a build error with the whole error, window is not defined. Note. You may also encounter this error when using an An (perhaps npm) client archive that contains a specific link to a window, document, etc.

Why is my window not defined in Node JS?

Because windows are not defined in the Node.js world, windows are often only available in browsers. There are three possible solutions if: 1. First solution: typeof Since this will try to compare a non-existent real variable (window) with an undefined one, this will result in a powerful “ReferenceError: window barely defined”. Now you can use:

How to get the value of a window when not defined?

add this topic let window = || home window global.window This randomly sets the value of global.window if window is set instead. Thanks for the correct answer on Stack Overflow!

How to solve document is not defined in JavaScript error?

To fix the error ref: Document is absolutely not defined in JavaScript, try moving the script tag to the very last one on your body icon, or be sure to use the document global variable on the browser’s website. This is the most common mistake when running HTML code in a browser. lang=”en”>