onInput Event
Coding HTML forms has been painful my entire career. Form controls look different between operating systems and browsers, coding client side and server side validation is a nightmare, and inevitably you forget something somewhere along the line. Some behaviors don't act the way you'd hope, like onChange, which only fires when the user leaves (blurs) a given form controls. Enter the onInputevent, which changes upon keystroke, paste, etc.
// Try it here: https://codepen.io/darkwing/pen/KKmBNvg
myInput.addEventListener('input', e => {
console.log(e.target.value);
});
These days it seems like the old onChange behavior isn't useful -- we always want to react to any user input. onInput also fires on elements with contenteditable and designmode attributes. Most modern JavaScript libraries like React treat onChange like onInput, so it's as though onChange has lost its use!
![Send Text Messages with PHP]()
Kids these days, I tell ya. All they care about is the technology. The video games. The bottled water. Oh, and the texting, always the texting. Back in my day, all we had was...OK, I had all of these things too. But I still don't get...
![JavaScript Promise API]()
While synchronous code is easier to follow and debug, async is generally better for performance and flexibility. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready? Promises are becoming a big part of the JavaScript world...
![Create Twitter-Style Dropdowns Using MooTools]()
Twitter does some great stuff with JavaScript. What I really appreciate about what they do is that there aren't any epic JS functionalities -- they're all simple touches. One of those simple touches is the "Login" dropdown on their homepage. I've taken...
![MooTools Typewriter Effect Plugin]()
Last week, I read an article in which the author created a typewriter effect using the jQuery JavaScript framework. I was impressed with the idea and execution of the code so I decided to port the effect to MooTools. After about an hour of coding...
I agree that onInput is very handy, but I beg to differ on the point that there is no more use for onChange. E.g. in this tutorial for creating a custom audio player: https://css-tricks.com/lets-create-a-custom-audio-player/#play-pause There, the onChange event is used for a range input element to seek to a passage in an audio file. While playing the audio, you might not want the current position in the audio to change on every input, but only after having finished seeking the correct passage.