This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Booleanthat indicates whether the
iframeis to be the active frame (
true) or not (
var browser = document.querySelector('iframe'); browser.setActive();
Not part of any specification.
Supported since Firefox 47, in chrome code only.
Unlikely ever to be supported in other browsers.