You can see more about iFrames here : HTML iFrames. This event is available via the onload property. The example below correctly shows image sizes, because window.onload waits for all images: So basically, an iFrame is used to display a webpage within a webpage. img1.onload = function() { console.log("Image 1 ready to append"); document.body.append(this); }; Note that the order of your code does matter. Javascript? It begins as soon as the resource is loaded. An iFrame is a rectangular frame or region in the webpage to load or display another separate webpage or document inside it. By David Walsh on August 11, 2015 That was easy. Use: [code]document.addEventListener(‘load’, function() { // your code... } [/code]when you need to run your code after everything has been parsed and loaded. I want to simulate a browser using a programming language like python or using curl or anything so that I am not forced to keep the webpage open. The load event on the window object triggers when the whole page is loaded including styles, images and other resources. jQuery detects this state of readiness for you. Please convert it to load after all page content load java script. There may be a variety of reasons for checking whether a webpage is loaded in an iFrame, for example, in cases where we need to … We can use Javascript to tell whether the website is being viewed from a Smartphone device or desktop computer. Code included inside $( document ).ready() will only run once the page Document Object Model (DOM) is ready for JavaScript code to execute. Right guess. Thanks in advance. If it is set, it assumes this is a refresh. Images take time to load however. If the images are very big, they won't be loaded by the time they are added to the DOM. Detect if a Document Has Loaded with JavaScript Building Resilient Systems on AWS : Learn how to design and implement a resilient, highly available, fault-tolerant infrastructure on AWS. Unlike the images, the web browser starts downloading JavaScript files only after the src property has been assigned and the