How To Code Your Own Cookie Consent Popup with JavaScript

In this tutorial you'll learn how to create a cookie consent popup to allow users to your site to accept your privacy policy / terms and conditions.

Example code here: https://github.com/codebubb/cookie-consent-tutorial

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So if you're building any kind of web site or app that uses cookie storage for analytics or tracking software then you absolutely must provide a privacy policy to your users and also allow them to be able to accept those terms and conditions.

In this JavaScript tutorial, you'll learn about client side storage in JavaScript particularly localStorage, sessionStorge and cookies.

We'll first take a look how to provide the user with a simple consent box via a confirm prompt and then store this value in localStorage and session storage. You'll also see the differences between local and session storage too.

We'll then take a look at storing the user's consent in a cookie with the aim that the cookie banner only shows once.

When we have the hang of working with the consent box and storage mechanisms, we'll put this into.action with a real example where we'll put a cookie consent banner on to a sample website. You'll see how to create the DOM elements then wire them up to the JavaScript we've already created to ensure that the consent popup works the same as before.

With this tutorial you should learn a fair bit about JavaScript client-side storage as well as working with the DOM and events.

Check out some more Junior Developer Central Web development projects here: https://www.youtube.com/watch?v=e0e6m2mxJlU&list=PLpc_YvcwbxaTW88GAFDJ77DGihUr5H3Ha

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