javascript var font = new FontFaceObserver('MyFont'); font.load().then(function() { document.body.classList.add('myfont-loaded'); }).catch(function() { console.log('Font could not be loaded.'); }); Step 4. Add
JavaScript example: document.querySelectorAll('.lazy-bg').forEach(el => { el.classList.add('loaded'); }); 4. Overusing JavaScript for Lazy Loading While JavaScript-based lazy loading solutions offer flexibility, overusing them increases resource usage and may not work on all browsers. ✅ ...
The web platform already provides a declarative programming mechanism out of the box: HTML and CSS. This mechanism is mature, well tested, popular, widely used, and documented. However, it does not provide clear built-in concepts of data-binding, conditional rendering, and list synchronization, ...
document.forms[0].addEventListener('submit',function(event){event.preventDefault();console.log(event.submitter.value);console.log(event.submitter.formaction);event.submitter.classList.add('spinner-animation');}) formdataevent This isn’t particularly new, but onlyachieved cross-browser supportwith the...
el.classList.remove("d-none") : el.className = el.className.replace(new RegExp('(^|\\b)' + "d-none".split(' ').join('|') + '(\\b|$)', 'gi'), ' '); var el2 = document.getElementById("keyPointsEquities"); el2.classList ? el2.classList.add("d-none") : el2....
First, we need to create all the required DOM nodes. This is our initialization logic that we’ll put into theinitmethod: exportclassRatingsComponent{...init(container) {this.list=document.createElement('ul');this.list.classList.add('ratings');this.list.addEventListener(...
Just, to have it complete: the Client-side Object Model has two other methods in the Field-class, SetShowInNewForm() and SetShowInDisplayForm(), to make a similar functionality available in the other forms for the list. Yes, it is also possible to archive the same goal by modifying ...
Array.find doesn't work in IE without a polyfill. Array.find doesn't work on DOM node lists. _.find(document.querySelectorAll('div'), x => x.classList.contains('container')) works, but document.querySelectorAll('div').find(x => x.classList.contains('container')) doesn't. I kn...
Finally, toss in some JavaScript to make the action execute upon a click: function myFunction(x) { x.classList.toggle("change"); } Building a Burger Button Without Code Of course, not everyone wants to spend time and effort creating a hamburger button ...
New toggleAttribute() method on elements toggles the existence of an attribute, similar to classList.toggle(). JavaScript arrays are getting two new methods: flat() and flatMap(). OffscreenCanvas moves work off the main thread in a worker, helping to eliminate performance bottlenecks. ...