How To Register A Service Worker? To install a service worker you need to kick start the process by registering it in 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! console . log ( 'Failed Registration - ' , err ); }...
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