How TO - Get Iframe Elements

Get an element from within an iframe with JavaScript.

Click the button to hide the first H1 element in the iframe (another document).

Get Element in Iframe

Get the first <h1> element inside the iframe and hide it:

Example

  var iframe = document.getElementById("myFrame");
var elmnt =
  iframe.contentWindow.document.getElementsByTagName("H1")[0];

  elmnt.style.display = "none";