Sometimes, we want to add a checkbox check event listener with JavaScript.
In this article, we’ll look at how to add a checkbox check event listener with JavaScript.
How to add a checkbox check event listener with JavaScript?
To add a checkbox check event listener with JavaScript, we can listen for the change event.
For instance, we write
<input type="checkbox" name="checkbox" />
to add a checkbox.
Then we write
const checkbox = document.querySelector("input[name=checkbox]");
checkbox.addEventListener("change", (e) => {
if (e.target.checked) {
console.log("Checkbox is checked..");
} else {
console.log("Checkbox is not checked..");
}
});
to select the checkbox with querySelector.
Then we call checkbox.addEventListener to add an event listener for the change event.
We get the checked value of the checkbox with e.target.checked.
If it’s true, it’s checked.
Otherwise, it’s not.
Conclusion
To add a checkbox check event listener with JavaScript, we can listen for the change event.
