I try this code: void' is not assignable to parameter of type 'Event'. The onload event can be used to check the visitor's browser type and browser How to run a function when the page is loaded? Follow these four easy steps and get a clear understanding of the window.onload method. How do you explicitly set a new property on `window` in TypeScript? Using a single target attribute value and reusing it in links is much more user resources friendly as it only creates one single secondary window, which is recycled. The open() method of the Window interface loads a specified resource into a new or existing browsing context (that is, a tab, a window, or an iframe) under a specified name. So, I found the solution of waiting for the document to load through window.onload = function (){ }. in the event of another call of this function. Content available under a Creative Commons license. The function that is required to be executed is given here. All browser compatibility updates at a glance, Frequently asked questions about MDN Plus. The purpose is to warn users of context changes to minimize confusion on the user's part: changing the current window or popping up new windows can be very disorienting to users (in the case of a popup, no toolbar provides a "Previous" button to get back to the previous window). If an empty string ("") is specified or this parameter is omitted, a blank page is opened into the targeted browsing context. The onload property processes load events after the element has finished loading. Once the element is queried, we attach the function to it using the onload event handler of the HTML object. In JavaScript, using the addEventListener() method: Using onload on an element. Step 1 Open Visual Studio 2012 and click on "File" -> "New" -> "Project.". A window for a given document can be obtained using the document.defaultView property. Enable JavaScript to view data. When extreme changes in context are explicitly identified before they occur, then the users can determine if they wish to proceed or so they can be prepared for the change: not only they will not be confused or feel disoriented, but more experienced users can better decide how to open such links (in a new window or not, in the same window, in a new tab or not, in "background" or not). This article explains the purpose of the window.onload method in JavaScript by an example. All Right Reserved. Log a message when the page is fully loaded: The same, but using the onload event handler property: BCD tables only load in the browser with JavaScript enabled. The following example uses the load event handler to determine if an image, which exists in the DOM tree, has been completely loaded: You can assign an onload event handler directly using the onload attribute of the
element, like this: If you create an image element dynamically, you can assign an onload event handler before setting the src property as follows: The