Persistent scroll

view-webapp/src/main/webapp/js/main.js

@@ -252,5 +252,22 @@ onLoad(() => {
     }, 1);
   }
 
+  // persistent scroll
+  $('#center').on('scroll', e => {
+    let scroll = $('#center')[0].scrollTop;
+    console.log(`scroll=${scroll}`);
+    store('scroll', scroll);
+  });
+  let persistentScroll = store('scroll');
+  if (persistentScroll) {
+    setTimeout(() => {
+      console.log(`scrollHeight = ${$('#center')[0].scrollHeight}`);
+      console.log(`scrolling to ${persistentScroll}`);
+      $('#center')[0].scrollTop = persistentScroll;
+      let scroll = $('#center')[0].scrollTop;
+      console.log(`scrolled to ${scroll}`);
+    }, 200);
+  }
+
 });