Difference between var and let in JavaScript, Convert a string to an integer in JavaScript. in the if statement. But the problem above with incorrect numbers still exists. How do I include a JavaScript file in another JavaScript file? Some time ago browsers used to show it as a message, but as the modern specification says, they shouldnt. for me it works fine. Use the following procedure. rev2023.3.1.43269. Connect and share knowledge within a single location that is structured and easy to search. That depends on how the app is written @JoeStrazzere. This method is simple, on load check flag - if flag not exist this is first load, else set the flag: Save flag in local-storage / cookie. uninitialized - Has not started loading yet, interactive - Has loaded enough and the user can interact with it. The open-source game engine youve been waiting for: Godot (Ep. Thats a precaution, as scripts may want to modify DOM, and even document.write into it, so DOMContentLoaded has to wait. By using our site, you Jquery to check if entire document has loaded If you need to perform an action after the complete pages are loaded including all the resources then best approach is to use $ ( window ).load (function () { }) which will run once the entire page (images or iframes), not just the DOM, is ready. This way you can add as many Listeners as you want, you can also detach them! How do you run JavaScript script through the Terminal. below). The report generated shows test scores evaluated out of 100 for mobile and desktop devices. The onload event can also be used to deal with cookies (see "More Examples" Research shows that people leave websites that take more than three seconds to load. Using timings initiated with a