how to check if page is loaded first time in javascript

What are some tools or methods I can purchase to trace a water leak? Dealing with hard questions during a software developer interview. Edit: If you want to add more than one onload function, and not use a javascript library, you can wrap your own onload hanlder. Also, we can say that it is a time when all the components (items) of a page get displayed on the browser for user interaction. Does With(NoLock) help with query performance? Test your page on a real Android device or on over 30 different Simulated Device options. HubSpot CMS for Developers II Exam CertificationAre you looking for the HubSpot CMS for Developers II Exam Answers sheet?Get HubSpot CMS for Developers II Exam Certification Answers (Updated) and Become a HubSpot CMS for Developers II Exam Certified Expert. The first solution that comes to mind would be to add only one event listener onMouseDown/onMouseUp but without an onClick event listener the element is not accessible anymore. This is used with the window element to execute a script after the webpage has completely loaded. I tried using Page.IsPostBack but that doesn't display the filter. Connect and share knowledge within a single location that is structured and easy to search. How to place Font Awesome icon to input field ? How to see the extensions loaded by PHP ? Is there a more recent similar source? Is it possible? First of all let's see if the browser know cookie: Remember,cookie return always a string,if you write down on the console. How do I refresh a page using JavaScript? A few people mentioning using an event listener. Has 90% of ice around Antarctica disappeared in less than a decade? How to check if a jQuery plugin is loaded? The script will be loaded again and JS code will be executed then. How to calculate the number of days between two dates in JavaScript ? measure that the app loads faster. below). Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. As its currently written, your answer is unclear. But thats me, you might prefer to use jQuery, but i dont think there is a need to get pissed for using js instead of jquery. Find centralized, trusted content and collaborate around the technologies you use most. Step 1: Try Another Browser Step 2: Enable SCRIPT_DEBUG Step 3: Diagnosis Chrome Firefox Edge Internet Explorer Safari Opera Step 4: Reporting If you're experiencing issues with your interactive functionality this may be due to JavaScript errors or conflicts. Connect and share knowledge within a single location that is structured and easy to search. I would like to execute a JavaScript function after a web-page was refreshed (any way: F5 key, browser's refresh key, user re-enter same URL or any other method). AngularJS initializes automatically upon DOMContentLoaded event or when the angular.js script is evaluated if at that time document.readyState is set to 'complete'.At this point A Launching the CI/CD and R Collectives and community editing features for How to check that web page is loaded 100 percent? Once I have that then I put an explicit wait on that object as my "page load complete" test before executing anything else." Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? localStorage. is there a chinese version of ex. For more details visit W3Schools - document.readystate. A Performance object offers access to the performance and timing-related information from the browser. Between DOMContentLoaded/load and document.readyState, I think that there are a few ensure that something is executed once the document is loaded. Else if flag exist compare it to current Date/Time - after refresh. The onload event can be used to check the visitor's browser type and browser Our website specializes in programming languages. Not only will this save tons of time, it will let us test and iterate ideas to find the right . Anyway My recommendation for you is to read about Navigation Timing API. The test is designed to help make your site faster by identifying what about a webpage is fast, slow, too big, and so on. If this is just for debugging purposes, you should use a better solution like Firebug or any other dev tools included in modern day browsers. beforeunload: the user is getting out, and it's not possible to check if the latter has saved the changes . The DOMContentLoaded event happens on the document object. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Thanks everyone for their answers but there was just a simple mistake in my question. Create a hypothesis based on this, eg. Thanks for contributing an answer to Stack Overflow! Better than onload is to use a function of an existing framework, because onload does sometimes respond after all the resources (images and so on) are loaded and not only the page. Riley K replied to Nani on 18-Oct-11 12:30 PM How do I remove a property from a JavaScript object? It begins as soon as the resource is loaded. Firefox, Chrome and Opera autofill forms on DOMContentLoaded. We must use addEventListener to catch it: In the example, the DOMContentLoaded handler runs when the document is loaded, so it can see all the elements, including below. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? When the browser processes an HTML-document and comes across a