Warning: Removed in Firefox 65.
The getManifest()
method of the HTMLIFrameElement
interface retrieves the manifest of an app loaded in the browser <iframe>
and returns it as JSON.
Syntax
instanceOfHTMLIframeElement.getManifest().then(function(json) { ... });
Parameters
None.
Return value
A promise that resolves to a JSON object representation of the loaded app's manifest.
Examples
var browser = document.querySelector('iframe'); browser.addEventListener('mozbrowserloadend',function() { var request = browser.getManifest().then(function(json) { console.log(json); }); });
Specification
Not part of any specification.
Browser compatibility
Supported since Firefox 47, in chrome code only. Removed completely in Firefox 65.
Unlikely ever to be supported in other browsers.