URL bookmark support

https://gist.github.com/simonw/c85653221e4933d5b7950a5971eb3380

Author: simonw

youtube-thumbnails.html

@@ -101,6 +101,9 @@ <h1>YouTube Thumbnail Viewer</h1>
                         this.nextElementSibling.textContent = `Width: ${this.naturalWidth}px`;
                     }
                 });
+
+                // Update URL
+                updateURL(input);
             }
         }
 
@@ -115,6 +118,24 @@ <h1>YouTube Thumbnail Viewer</h1>
                 console.error('Failed to copy: ', err);
             });
         }
+
+        function updateURL(input) {
+            const url = new URL(window.location);
+            url.searchParams.set('url', input);
+            window.history.pushState({}, '', url);
+        }
+
+        function loadFromURL() {
+            const urlParams = new URLSearchParams(window.location.search);
+            const urlValue = urlParams.get('url');
+            if (urlValue) {
+                document.getElementById("videoInput").value = urlValue;
+                updateThumbnails();
+            }
+        }
+
+        // Call loadFromURL when the page loads
+        window.onload = loadFromURL;
     </script>
 
 </body>