* Because IE10 has trouble killing infinite-looping workers, support IE11+ only

audreyt · audreyt · commit ab655e45a9de · 2014-07-06T08:34:28.000+08:00
diff --git a/spreadsheet/README.md b/spreadsheet/README.md
@@ -11,7 +11,7 @@
 
 ## Local Demo
 
-Simply open `index.html` with Firefox, Safari or IE10+, and enter some content.
+Simply open `index.html` with Firefox, Safari or IE11+, and enter some content.
 
 Values starting with `=` are parsed as formula written in JavaScript, for example `=A1*C1`.
 
diff --git a/spreadsheet/chapter.md b/spreadsheet/chapter.md
@@ -16,7 +16,7 @@ How many features can a Web application offer in 99 lines? Let&rsquo;s see it in act
 
 ## Overview
 
-The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 &ldquo;Harmony&rdquo;](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. Since 2012, these web standards are supported by Firefox, Chrome, Internet Explorer 10+, as well as mobile browsers on iOS 5+ and Android 4+.
+The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 &ldquo;Harmony&rdquo;](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. Since 2012, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
 
 Now let&rsquo;s open http://audreyt.github.io/500lines/spreadsheet/ in a browser:
 

-Original file line number
+Diff line change
 ## Overview
 -The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 “Harmony”](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. Since 2012, these web standards are supported by Firefox, Chrome, Internet Explorer 10+, as well as mobile browsers on iOS 5+ and Android 4+.
 +The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 “Harmony”](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. Since 2012, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
 Now let’s open http://audreyt.github.io/500lines/spreadsheet/ in a browser: