Learn JavaScript from Scratch JavaScript for Everyone - Waiting for the Page to Load

The video tutorial explains the importance of ensuring that all HTML content is fully loaded before executing JavaScript. It discusses the placement of script tags in HTML and the potential issues that arise when JavaScript executes before the HTML is fully rendered. The tutorial introduces the use of window.onload to delay JavaScript execution until the page is completely loaded. A practical example is provided, and the challenges of handling large and nested HTML files are discussed. The video concludes with an exercise and a preview of the next lesson.

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