Update player.js

Author: ImprovedTube

js&css/web-accessible/www.youtube.com/player.js

@@ -803,21 +803,23 @@ FIT-TO-WIN BUTTON
 ------------------------------------------------------------------------------*/
 ImprovedTube.playerFitToWinButton = function () {
 	if (this.storage.player_fit_to_win_button === true && (/watch\?/.test(location.href))) {
-		let tempContainer = document.createElement("div");
-		
+	if (typeof trustedTypes !== 'undefined' && typeof trustedTypes.createPolicy === 'function') {
 		// Create a Trusted Type policy
 		const policy = trustedTypes.createPolicy('default', {
 			createHTML: (string) => string,
 		});
 
 		// Use the policy to set innerHTML
 		tempContainer.innerHTML = policy.createHTML(`
-		<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" 		stroke="currentColor" stroke-width="2" id="ftw-icon">
-			<path d="M21 3 9 15"/><path d="M12 3H3v18h18v-9"/><path d="M16 3h5v5"/><path d="M14 15H9v-5"/>
-		</svg>`);
+		<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" id="ftw-icon">
+		<path d="M21 3 9 15"/><path d="M12 3H3v18h18v-9"/><path d="M16 3h5v5"/><path d="M14 15H9v-5"/></svg>`);
 
 		// Ensure the SVG element is correctly parsed
         const svg = tempContainer.querySelector('svg');
+	} else { let tempContainer = document.createElement("div");
+		tempContainer.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" id="ftw-icon">
+  		<path d="M21 3 9 15"/><path d="M12 3H3v18h18v-9"/><path d="M16 3h5v5"/><path d="M14 15H9v-5"/></svg>`;
+		const svg = tempContainer.firstChild;}
 		this.createPlayerButton({
 			id: 'it-fit-to-win-player-button',
 			child: svg,
@@ -1506,4 +1508,4 @@ ImprovedTube.pauseWhileTypingOnYoutube = function () {
 		}
 
 	}
-};
+};