What does the onload event handler for the body element execute?

What does the onload event handler for the body element execute?

The onload attribute fires when an object has been loaded. onload is most often used within the element to execute a script once a web page has completely loaded all content (including images, script files, CSS files, etc.).

How do you trigger a load event?

How it works:

  1. First, create an image element after the document has been fully loaded by place the code inside the event handler of the window’s load event.
  2. Second, then assign the onload event handler to the image.
  3. Third, add the image to the document.
  4. Finally, assign an image URL to the src attribute.

How do you use onload?

In HTML, the onload attribute is generally used with the element to execute a script once the content (including CSS files, images, scripts, etc.) of the webpage is completely loaded. It is not necessary to use it only with tag, as it can be used with other HTML elements.

Where can onload be used?

The onload event can only be used on the document(body) itself, frames, images, and scripts. In other words, it can be attached to only body and/or each external resource.

Can we use onload in form?

onload is most often used within the element to execute a script once a web page has completely loaded all content (including images, script files, CSS files, etc.). However, it can be used on other elements as well (see “Supported HTML tags” below).

How do you check if JavaScript has been loaded?

The cross-browser way to check if the document has loaded in pure JavaScript is using readyState .

  1. if (document. readyState === ‘complete’) { // The page is fully loaded }
  2. let stateCheck = setInterval(() => { if (document. readyState === ‘complete’) { clearInterval(stateCheck); // document ready } }, 100);
  3. document.

Can a div have onload?

You can’t use onload on a div . The best way to do this is to add a script element after the div to run the function.