Non-standard
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.
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
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | No support | 47 (47)[1] | No support | No support | No support |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | No support | No support | No support | No support | No support | No support | No support |
[1] Supported in chrome code only.