window.onload vs document.onload

window.onload

  • It is fired when the entire page loads, including its content (images, css, scripts, etc.)
  • $(window).load()

document.onload

  • It is fired when the DOM is ready which can be prior to images and other external content is loaded
  • In general, document.onload event is fired before the window.onload
  • $(document).ready()
Watch the following video to understand this concept with a practical example in detailed!

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