How to disable the HTML button in JavaScript

Learn, how to disable or enable the button in JavaScript.

We mostly disabled the button when a text input element is empty or a checkbox is not checked in the signup forms.

Disabling the button

To disable the button, first we need to access the button element inside JavaScript using document.querySelector() method.

const btn = document.querySelector('.submit');

Now, we need to set its disabled property to true.

btn.disabled = true;

We can enable it back by setting the disabled property to false.

btn.disabled = false;