* Stringify Date so the user will not need to type fastr than 200ms. Thanks @JuanitoFatas for the catch!

audreyt · audreyt · commit fb287c2fe91c · 2014-07-09T04:12:26.000+08:00
diff --git a/spreadsheet/chapter.md b/spreadsheet/chapter.md
@@ -41,7 +41,7 @@ Now let&rsquo;s set focus on **A1** and _change_ its content to `1`, causing **E1**
 
 ![Changed Content](./images/03-changed.png)
 
-Press **ENTER** to set focus to **A2** and change its content to `=Date()`, then press **TAB**, change the content of **B2** to `=alert()`, then press **TAB** again to set focus to `C2`:
+Press **ENTER** to set focus to **A2** and change its content to `=''+Date()`, then press **TAB**, change the content of **B2** to `=alert()`, then press **TAB** again to set focus to `C2`:
 
 ![Formula Error](./images/04-error.png)
 
diff --git a/spreadsheet/chapter.zh-tw.md b/spreadsheet/chapter.zh-tw.md
@@ -41,7 +41,7 @@
 
 ![&#24050;&#35722;&#26356;&#30340;&#20839;&#23481;](./images/03-changed.png)
 
-&#25353; **&#36664;&#20837;&#37749;&#65288;ENTER&#65289;** &#20197;&#35373;&#23450;&#28966;&#40670;&#33267; **A2**&#65292;&#20006;&#35722;&#26356;&#20854;&#20839;&#23481;&#28858; `=Date()`&#65292;&#28982;&#24460;&#25353; **&#36339;&#26684;&#37749;&#65288;TAB&#65289;**&#65292;&#35722;&#26356; **B2** &#30340;&#20839;&#23481;&#28858; `=alert()`&#65292;&#28982;&#24460;&#20877;&#25353; **&#36339;&#26684;&#37749;** &#20197;&#31227;&#21205;&#28966;&#40670;&#33267; `C2`&#65306;
+&#25353; **&#36664;&#20837;&#37749;&#65288;ENTER&#65289;** &#20197;&#35373;&#23450;&#28966;&#40670;&#33267; **A2**&#65292;&#20006;&#35722;&#26356;&#20854;&#20839;&#23481;&#28858; `=''+Date()`&#65292;&#28982;&#24460;&#25353; **&#36339;&#26684;&#37749;&#65288;TAB&#65289;**&#65292;&#35722;&#26356; **B2** &#30340;&#20839;&#23481;&#28858; `=alert()`&#65292;&#28982;&#24460;&#20877;&#25353; **&#36339;&#26684;&#37749;** &#20197;&#31227;&#21205;&#28966;&#40670;&#33267; `C2`&#65306;
 
 ![&#20844;&#24335;&#37679;&#35492;](./images/04-error.png)
 

-Original file line number
+Diff line change
 ![已變更的內容](./images/03-changed.png)
 -按 **輸入鍵（ENTER）** 以設定焦點至 **A2**，並變更其內容為 `=Date()`，然後按 **跳格鍵（TAB）**，變更 **B2** 的內容為 `=alert()`，然後再按 **跳格鍵** 以移動焦點至 `C2`：
 +按 **輸入鍵（ENTER）** 以設定焦點至 **A2**，並變更其內容為 `=''+Date()`，然後按 **跳格鍵（TAB）**，變更 **B2** 的內容為 `=alert()`，然後再按 **跳格鍵** 以移動焦點至 `C2`：
 ![公式錯誤](./images/04-error.png)