If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: , W3Schools is optimized for learning and training. The example below correctly shows image sizes, because window.onload waits for all images: When a visitor leaves the page, the unload event triggers on window. Firefox, Chrome and Opera autofill forms on DOMContentLoaded. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. In the next step function code() is declared inside of the