HTML checkbox checked

1. How do you make a checkbox checked in HTML?
2. How can I check if a checkbox is checked?
3. How to set checkbox checked false in HTML?
4. How do you style a checkbox when checked?

How do you make a checkbox checked in HTML?

The checked attribute is a boolean attribute. When present, it specifies that an <input> element should be pre-selected (checked) when the page loads. The checked attribute can be used with <input type="checkbox"> and <input type="radio"> . The checked attribute can also be set after the page load, with a JavaScript.

How can I check if a checkbox is checked?

In order to check if a checkbox is checked or unchecked, we can used the isSelected() method over the checkbox element. The isSelected() method returns a boolean value of true if the checkbox is checked false otherwise.

How to set checkbox checked false in HTML?

prop( "checked", false );

How do you style a checkbox when checked?

It is possible to style a checkbox using Pseudo Elements like :before, :after, hover and :checked. To style the checkbox the user first needs to hide the default checkbox which can be done by setting the value of the visibility property to hidden.