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27 sie 2014 · First, the onload attribute is not valid for a div tag. You most likely intended to place the onload in the body tag. Unfortunately, that's not the only problem. In your onLoad you are referencing generateMap as if it is an object with method createMap. However, this is not the case.
14 paź 2013 · One thing the might be missed, there is one window.onload, so if you have code anywhere else on your page or included JS with window.onload=whatever, it may override your <body onload="...">. Instead use addEventListener (if using old IE check the following for compatibility developer.mozilla.org/en-US/docs/Web/API/EventTarget/…)
Execute a JavaScript immediately after a page has been loaded: <body onload="myFunction ()"> Try it Yourself » More "Try it Yourself" examples below. Definition and Usage. The onload attribute fires when an object has been loaded.
14 paź 2022 · DOMContentLoaded – the browser fully loaded HTML, and the DOM tree is built, but external resources like pictures <img> and stylesheets may not yet have loaded. load – not only HTML is loaded, but also all the external resources: images, styles etc.
The onload event occurs when an object has been loaded. onload is most often used within the <body> element to execute a script once a web page has completely loaded all content (including images, script files, CSS files, etc.).
For the window object, the load event is fired when the whole webpage (HTML) has fully loaded, including all resources such as JavaScript files, CSS files, and images. To handle the load event, you register an event listener using the addEventListener() method:
5 paź 2020 · Resource loading: onload and onerror. The browser allows us to track the loading of external resources – scripts, iframes, pictures and so on. There are two events for it: onload – successful load, onerror – an error occurred.
