Navigator.canShare()

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The Navigator.canShare() method of the Web Share API returns true if a call to Navigator.share() would succeed.

Syntax

var canShare = navigator.canShare(data);

data Optional: An object containing data to share that matches what you would pass to Navigator.share().

A Boolean. True if data can be shared with Navigator.share().

None.

if(navigator.canShare(data)) {
  // We can use share() to share the data! Woop!
}

Specification	Status	Comment
Web Share API - Level 2 The definition of 'canShare' in that specification.	Draft	Initial definition.

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`canShare`	Chrome No support No	Edge No support No	Firefox No support No	IE No support No	Opera No support No	Safari No support No	WebView Android No support No	Chrome Android Full support 75	Firefox Android No support No	Opera Android No support No	Safari iOS No support No	Samsung Internet Android No support No