Now we will learn how to work with checkboxes. The checkbox can be in two states: checked and unchecked.
The checkbox is created like this:
<input type="checkbox" id="elem">
To make a checkbox checked, you need to write
<input type="checkbox" checked id="elem">
For example, let's find out the state of our checkbox:
let elem = document.querySelector('#elem'); console.log(elem.checked);
Given a checkbox and two buttons. By clicking on the first button, set the checkbox to the checked state, and by clicking on the second - to the unchecked state.
Given a checkbox, a button and a paragraph. On
clicking the button, if the checkbox is checked,
output the word
'hello' into the paragraph,
and if the checkbox is not checked, then the