Fix Back button in build.html on the main page.

5 years ago · 29f11170be
parent 4eb391decd
commit 29f11170be
1 changed files with 1 additions and 1 deletions
--- a/build.html
+++ b/build.html
@ -121,7 +121,7 @@ function onLoad(initial) {
 function onOsChanged(initial) {
  var os = document.getElementById('osSelect').value;
  if (os.includes('Choose ')) {
-    if (history.state != '') {
+    if (history.state !== '' && history.state !== null) {
      history.pushState('', '', 'build.html');
    }