![]() ![]() Async works on inline scriptsįor non-module scripts, the async attribute only works on external scripts. We should put “loading indicators”, or otherwise ensure that the visitor won’t be confused by that. When using modules, we should be aware that the HTML page shows up as it loads, and JavaScript modules run after that, so the user may see the page before the JavaScript application is ready. The regular script runs immediately, so we see its output first. That’s because modules are deferred, so we wait for the document to be processed. Please note: the second script actually runs before the first! So we’ll see undefined first, and then object. regular scripts run immediately, before the rest of the page is processed as modules are deferred, the script runs after the whole page is loadedĪlert(typeof button) // button is undefined, the script can't see elements below
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |