What is the difference between document.ready and window.onload in jQuery?

When it comes to handling event triggers in jQuery, the difference between document.ready and window.onload is significant.

document.ready: This event occurs once the DOM (Document Object Model) is fully loaded and ready to be manipulated. It triggers as soon as the HTML code of the page is parsed and ready to be rendered.

window.onload: This event occurs after all the resources of the page (images, CSS, etc.) have been fully loaded. It indicates that the entire page, including all external resources, is ready.

Therefore, in jQuery, document.ready is typically preferred for faster execution and manipulation of the DOM elements, while window.onload is used when you need to ensure that all resources are loaded before executing scripts.