Source code for /src/remote_compare.htm.txt
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// Author: Mark Qian <markqian@hotmail.com> //
// WWW: http://www.coolshare.com //
// Copyright (c) 2006, Mark Qian //
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<table width="100%" border="1" cellspacing="0" cellpadding="5" summary="XMLHttpRequest Compared to the Dynamic Script Tag" style="background-image:url('http://www.coolshare.com/html/images/rulebk2.jpg')">
<caption>
<Font size=4>Table 1. <b>Comparison among a variety of Remote Scripting means</b> (used by Mark's Communicator) by Mark Qian on 9/5/2006 </caption>
<tr style="background-color:lightgrey">
<th scope="col"> </th>
<th scope="col"><code>XmlHttpRequest (AJAX)</code></th>
<th scope="col">Dynamic Hidden Iframe</th>
<th scope="col">Traditional Static Hidden Frame</th>
<th scope="col">Dynamic <code>Script</code> Tag</th>
<th scope="col">Cookie + Image Src</th>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it cross-browser compatible?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
</tr>
<tr onMouseover="showtip('\'Same Origin\' policy prevents document or script loaded from one origin from getting or setting properties of a document from a different origin. The policy dates from Netscape Navigator 2.0.', '')">
<th style="background-color:lightgrey" scope="row">Can it break the Same Origin policy?</th>
<td><font color=red>No</font></td>
<td><font color=red>No</font></td>
<td><font color=red>No</font></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font></td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Can it receive HTTP status codes?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4"><b>Yes (not directly)</b></td>
<td style="background-color:#EAFFE4"><b>Yes (not directly)</b></td>
<td><font color=red>No</font> (fails on any HTTP status other than 200)</td>
<td><font color=red>No</font></td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Does it supports HTTP both <code>GET</code> and <code>POST</code>?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font> (<code>GET</code> only)</td>
<td><font color=red>No</font> (<code>GET</code> only)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Can it receive XML?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4"><b>Yes</b> (but only embedded in a JavaScript statement)</td>
<td style="background-color:#EAFFE4"><b>Yes (not directly)</b></td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Can it receive JSON?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4"><b>Yes</b> (but only embedded in a JavaScript statement)</td>
<td style="background-color:#EAFFE4"><b>Yes</b> (but only embedded in cookies)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Does it offers synchronous and asynchronous calls?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4">No syn(but archievable)</td>
<td style="background-color:#EAFFE4">No syn(but archievable)</td>
<td style="background-color:#EAFFE4">No syn(but archievable)</td>
<td style="background-color:#EAFFE4">No syn(but archievable)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Can it transfer any size of data?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font> (Limited by url size limitation because of Get only)</td>
<td><font color=red>No</font> (Limited by cookie size limitation)</td>
</tr>
<tr onMouseover="showtip('the larger the number is, the more restricted', '')">
<th scope="row" style="background-color:lightgrey">Turning off level - when </th>
<td style="background-color:#EAFFE4"><font color=red>5</font> - ActiveX off in IE6</td>
<td style="background-color:#EAFFE4"><font color=red>2</font> - iFrame off</td>
<td style="background-color:#EAFFE4"><font color=red>1</font> - Frame not supported</td>
<td style="background-color:#EAFFE4"><font color=red>3</font> - Script not supported</td>
<td style="background-color:#EAFFE4"><font color=red>4</font> - Cookie not supported</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it Back Button (losing history) problem free when used "As Is"</th>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4"><font color=red>No</font> or Yes (Browser depended but archievable)</td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it Back Button ("garbage" history) proeblem free when used "As Is"</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#EAFFE4"><font color=red>No</font> or Yes (Browser depended but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it bookmarked problem free when used "As Is"</th>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
<td style="background-color:#EAFFE4">No (but archievable)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it server-side support free?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font> (The server has to return script)</td>
<td><font color=red>No</font> (The seever has to write the response to cookies)</td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">Is it client-side support free?</th>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font> (The callback reference has to be preserved and and triggered at client "menaully")</td>
<td><font color=red>No</font> (The callback reference has to be preserved and triggered at client "menaully")</td>
<td><font color=red>No</font> (The callback reference has to be preserved at client "menaully")</td>
<td><font color=red>No</font> (Cookie needs to be checked to get response)</td>
</tr>
<tr onMouseover="showtip('\'No\' means that the scr'+'ipts included in the response won\'t be executed. You have to parse and eval the script yourself in case you want to run the return script', '')">
<th scope="row" style="background-color:lightgrey">Is the response processed by browser's renderer?</th>
<td><font color=red>No</font></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td style="background-color:#DFFFD6"><b>Yes</b></td>
<td><font color=red>No</font></td>
<td><font color=red>No</font></td>
</tr>
<tr>
<th scope="row" style="background-color:lightgrey">More to come soon...</th>
<td>...</td>
<td>...</td>
<td>...</td>
<td>...</td>
<td>...</td>
</tr>
</table>
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