readystate – Tarik Billa

How to detect if DOMContentLoaded was fired

February 18, 2023 by Tarik

For seeing if all resources in the page have been loaded: if (document.readyState === “complete” || document.readyState === “loaded”) { // document is already ready to go } This has been supported in IE and webkit for a long time. It was added to Firefox in 3.6. Here’s the spec. “loaded” is for older Safari … Read more

What do the different readystates in XMLHttpRequest mean, and how can I use them?

December 26, 2022 by Tarik

The full list of readyState values is: State Description 0 The request is not initialized 1 The request has been set up 2 The request has been sent 3 The request is in process 4 The request is complete (from https://www.w3schools.com/js/js_ajax_http_response.asp) In practice you almost never use any of them except for 4. Some XMLHttpRequest … Read more