From 6d765facf7dc304deb4f0c7d031efc9aa98e2f23 Mon Sep 17 00:00:00 2001
From: Remy Sharp <remy@remysharp.com>
Date: Wed, 18 Apr 2012 10:49:37 +0100
Subject: [PATCH] Remove alerts only during load - put them back in to allow
 user to interact and get alerts. Fixes #148

---
 index.php         | 3 +--
 js/render/live.js | 9 ++++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/index.php b/index.php
index 833b842672..0f2fece712 100644
--- a/index.php
+++ b/index.php
@@ -132,8 +132,7 @@
         <strong>Output</strong>
         <span class="options">
           <button id="runwithalerts" title="ctrl + enter
-Include alerts, prompts &amp; confirm boxes">Run JavaScript</button>
-          <label>Always run JS<input type="checkbox" id="enablejs"></label>
+Include alerts, prompts &amp; confirm boxes">Run JS with alerts</button> <label>Always run JS<input type="checkbox" id="enablejs"></label>
         </span>
       </div>
     </div>
diff --git a/js/render/live.js b/js/render/live.js
index ca06cfd84a..7ac1b99d65 100644
--- a/js/render/live.js
+++ b/js/render/live.js
@@ -1,7 +1,9 @@
 var $live = $('#live'),
     $body = $('body'),
     showlive = $('#showlive')[0],
-    throttledPreview = throttle(renderLivePreview, 200);
+    throttledPreview = throttle(renderLivePreview, 200),
+    killAlerts = '<script>try{window.print=function(){};window.alert=function(){};window.prompt=function(){};window.confirm=function(){};}catch(e){}</script>',
+    restoreAlerts = '<script>try{delete window.print;delete window.alert;delete window.prompt;delete window.confirm;}catch(e){}</script>';
 
 var iframedelay = (function () {
   var iframedelay = { active : false },
@@ -69,9 +71,9 @@ function renderLivePreview(withalerts) {
       // nullify the blocking functions
       // IE requires that this is done in the script, rather than off the window object outside of the doc.write
       if (withalerts !== true) {
-        doc.write('<script>try{window.print=function(){};window.alert=function(){};window.prompt=function(){};window.confirm=function(){};}catch(e){}</script>');
+        doc.write(killAlerts);
       } else {
-        doc.write('<script>try{delete window.print;delete window.alert;delete window.prompt;delete window.confirm;}catch(e){}</script>');
+        doc.write(restoreAlerts);
       }
 
       if (jsbinConsole) {
@@ -101,6 +103,7 @@ function renderLivePreview(withalerts) {
       };
 
       doc.write(source);
+      doc.write(restoreAlerts);
     }
     doc.close();
     delete jsbin.panels.panels.live.doc;