Update app.js

Oops! Accidentally trigger refresh or bookmark.
7 years ago · baff424c99
parent ca7de9a93a
commit baff424c99
1 changed files with 4 additions and 0 deletions
--- a/src/app.js
+++ b/src/app.js
@ -227,6 +227,10 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
  if (window.location.protocol.indexOf('https') === 0) {
    toolTip('You are using an `https` connection. Please switch to `http` if you are using Remix against an `http Web3 provider` or allow Mixed Content in your browser.')
  }
+  // Oops! Accidentally trigger refresh or bookmark.
+  window.onbeforeunload = function () {
+    return 'Are you sure you want to leave?'
+  }

  function importExternal (url, cb) {
    handleImports.import(url,