Category: javascript
Events
Published on 16 Jul 2026
Explanation
Events occur when users interact with web pages, such as clicks or key presses.
Code:
button.addEventListener('click', () => {
console.log('Clicked');
});
Explanation
The click event is triggered when an element is clicked.
Code:
document.querySelector('button').onclick = function() {
alert('Hello');
};
Explanation
Keyboard events respond to user key presses.
Code:
document.addEventListener('keydown', e => {
console.log(e.key);
});
Explanation
Mouse events include mouseover and mouseout.
Code:
box.addEventListener('mouseover', () => {});
Explanation
Event listeners separate HTML from JavaScript logic.
Code:
element.addEventListener('click', myFunction);