Executing Dynamic Code in a Reveal.js Presentation / / No Comments Please take what follows with a Titanic-sized grain of salt and do your best not to do what I did, but despite that, I thought this little hack was interesting and I figured I’d share it anyway. I typically use Reveal.js for my presentations, especially when talking about the web platform, as it makes it easy to do slides and demos, all in my browser. Usually when I want to embed live code in a slide, I just use a CodePen embed. While this works well, sometimes it feels like overkill for real short code samples. I wondered if it would be possible to execute code directly in the slide itself such that I could show a one-liner in the slide, and then the result after. This is what I came up... more → Posted in: JavaScript Tagged with: code, dynamic, Executing, Presentation, Reveal.js
Immediately Executing setInterval with JavaScript / / No Comments Employing setInterval for condition polling has really been useful over the years. Whether polling on the client or server sides, being reactive to specific conditions helps to improve user experience. One task I recently needed to complete required that my setInterval immediately execute and then continue executing. The conventional and best way to immediately call a function at the beginning of a setInterval is to actually call the function before the initial setInterval` is called: myFunction(); setInterval(myFunction, 1000); // Every second If you truly want to isolate the function call to the setInterval, you can use this trick of self-executing function that returns itself: // Use... more → Posted in: JavaScript Tagged with: Executing, Immediately, JavaScript, setInterval