HTMLIFrameElement: credentialless property - Web APIs

HTMLIFrameElement: credentialless property - Web APIs | MDN

Value

A boolean. The default value is false; set it to true to make the <iframe> credentialless.

Examples

Get

Specify a credentialless <iframe> like so:

html

<iframe
  src="https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)"
  title="Spectre vulnerability Wikipedia page"
  width="960"
  height="600"
  credentialless></iframe>

Return the credentialless property value:

const iframeElem = document.querySelector("iframe");
console.log(iframeElem.credentialless); // will return true in supporting browsers

Set

Alternatively, specify the minimum of details in the HTML:

html

<iframe width="960" height="600"> </iframe>

And set credentialless to true then load the <iframe> contents via script:

const iframeElem = document.querySelector("iframe");

iframeElem.credentialless = true;
iframeElem.title = "Spectre vulnerability Wikipedia page";
iframeElem.src =
  "https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)";