Small cleanup in 'set page'

web/viewer.js

@@ -295,7 +295,6 @@ var PDFView = {
 
   set page(val) {
     var pages = this.pages;
-    var input = document.getElementById('pageNumber');
     var event = document.createEvent('UIEvents');
     event.initUIEvent('pagechange', false, false, window, 0);
 
@@ -314,13 +313,13 @@ var PDFView = {
 
     // checking if the this.page was called from the updateViewarea function:
     // avoiding the creation of two "set page" method (internal and public)
-    if (updateViewarea.inProgress)
+    if (updateViewarea.inProgress) {
       return;
-
+    }
     // Avoid scrolling the first page during loading
-    if (this.loading && val == 1)
+    if (this.loading && val === 1) {
       return;
-
+    }
     pages[val - 1].scrollIntoView();
   },