21 五月 2009 @ 11:15 下午 
  1. Is Ajax support on Internet Explorer Mobile?
    Actually, IE Mobile’s Ajax support dates back to Windows Mobile 2003.
  2. javascript & AJAX 實做心得
    1. 可用AJAX,但desktop IE的javascript Framework有很多function不適用,因此建議還是依需求開發。
      1. 針對AJAX部份我有根據官方範例寫了一個Ajax call function for Mobile IE
        http://blackbing.net/lab/mobile/mobileAjax.js
    2. 基本的javascript幾乎都支援,getElementById, setTimeout, etc..
    3. 只有button 有onclick事件,其他如DIV、SPAN上沒有這種event。
    4. 請注意IE Mobile 沒有「onMouseOver」事件。
    5. CSS支援度差,不支援定位(position, top, left),且javascript存取css的方式也有限,必須反覆測試style的表現。
    6. On Smartphone/PocketPC 2003 innerText and innerHTML Properties are only supported on div and span elements.
      On Windows Mobile 5 innerText and innerHTML Properties are supported on all elements.
  3. 開發AJAX應用程式的注意事項:
    1. 使用者介面越簡單越好
    2. 資料傳輸量越精簡越好(JSON)
    3. DOM tree 越淺(shallow)越好
    4. 若有大量資料要隱藏,請避免使用display:none,直接採用DOM操作方式remove掉。(保持頁面資料越精簡越好)
    5. 盡可能不要讓使用者輸入data,改由select方式
    6. Adding On-Demand Script
  4. 其他:
    1. how to configure Internet Explorer Mobile to display script errors?
      To configure IE Mobile to display script error messages requires you to create a new registry entry.
      1. Open the device/emulator registry using the Remote Registry Editor or other Windows Mobile registry tool
      2. Navigate to the registry key HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
      3. Create a new DWORD entry for the key; name the new entry ShowScriptErrors and set the value to 1
      4. Soft-reset the device/emulator

        Once you complete these steps, IE Mobile will display error messages for any script errors that occur.

    2. Enabling Cross-Domain Calls in Your Development Environment
      When working in your development environment, you can disable the security check that prevents the XMLHTTP object from making a cross-domain call. You do this by modifying the value of the appropriate registry entry using the following steps.
      1. Open the device/emulator registry using the Remote Registry Editor or other Windows Mobile registry tool
      2. Navigate to the registry key HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Internet Settings\Zones\3
      3. Change the value of the entry named 1406 to 0.
      4. Soft-reset the device/emulator
        Once you complete these steps, the XMLHTTP object can call into any domain without restriction.
  1. 參考資料:
    1. Mobile Web Development
      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnanchor/html/anch_mobilewebdev.asp
    2. Mobile DOM Reference Guide
      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/mobilesdk5/html/mogrfdomreferenceguide.asp
    3. Mobile CSS Support
      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/mobilesdk5/html/mogrfdomreferenceguide.asp?frame=true
    4. Windows Mobile Developers Wiki
      http://channel9.msdn.com/wiki/default.aspx/MobileDeveloper.HomePage
Posted By: BLACKBING
Last Edit: 23 三月 2010 @ 11:35 下午

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