How to Register a Service Worker? To install a service worker you need to kick-start the process by registering it on your page. This tells the browser where your service worker JavaScript file lives. You can call below register () every time a page loads without concern; the browser will figure out if the service worker is already registered or not and handle it accordingly. if ( 'serviceWorker' in navigator ) { window . addEventListener ( 'load' , function () { navigator . serviceWorker . register ( '/sw.js' ). then ( function ( registration ) { // If Registration was successful console . log ( 'Success Registration - ' , registration . scope ); }, function ( err ) { // If Registration was failed! ...
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