Event listeners

In this blog post, we will discuss how to add event listeners to all the elements returned by a document.querySelectorAll() call. This method allows us to iterate over the results and attach an event listener to each element. By using the for..of loop, we can easily iterate over the NodeList returned by querySelectorAll(). Here’s an example: const buttons = document.querySelectorAll("#select .button"); for (const button of buttons) { button.addEventListener('click', function(event) { // Event listener logic goes here }); } It is worth noting that document....

Learn how to work with events in Svelte Listening to DOM events In Svelte, you can define a listener for a DOM event directly in the template using the on:<event> syntax. For example, to listen to the click event, you can pass a function to the on:click attribute. Similarly, for the onmousemove event, you can pass a function to the on:mousemove attribute. Here are some examples: <button on:click={() => { alert('clicked') }}>Click me</button> <script> const doSomething = () => { alert('clicked') } </script> <button on:click={doSomething}>Click me</button> It is generally better to define the handling function inline when the code is not too verbose, typically 2-3 lines....

Learn the basics of handling keyboard events in JavaScript to enhance your web applications. There are three main types of keyboard events: keydown - Triggered when a key is initially pressed down. keyup - Fired when a key is released after being pressed down. keypress - Deprecated event, rarely used in modern development. When working with keyboard events, it is common to listen for them on the document object. Here’s an example:...