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POUnexpected Caching of AJAX results in IE8
 

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  1. POUnexpected Caching of AJAX results in IE8
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    <p>I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.</p> <p>I have header on my web page that gets updated every time a user navigates to a new page. Once the page is loaded I do this</p> <pre><code>$.get("/game/getpuzzleinfo", null, function(data, status) { var content = "&lt;h1&gt;Wikipedia Maze&lt;/h1&gt;"; content += "&lt;p class='endtopic'&gt;Looking for &lt;span&gt;&lt;a title='Opens the topic you are looking for in a separate tab or window' href='" + data.EndTopicUrl + "' target='_blank'&gt;" + data.EndTopic + "&lt;a/&gt;&lt;/span&gt;&lt;/p&gt;"; content += "&lt;p class='step'&gt;Step &lt;span&gt;" + data.StepCount + "&lt;/span&gt;&lt;/p&gt;"; content += "&lt;p class='level'&gt;Level &lt;span&gt;" + data.PuzzleLevel.toString() + "&lt;/span&gt;&lt;/p&gt;"; content += "&lt;p class='startover'&gt;&lt;a href='/game/start/" + data.PuzzleId.toString() + "'&gt;Start Over&lt;/a&gt;&lt;/p&gt;"; $("#wikiheader").append(content); }, "json"); </code></pre> <p>It just injects header info into the page. You can check it out by going to <a href="http://www.wikipediamaze.com" rel="noreferrer">www.wikipediamaze.com</a> and then logging in and starting a new puzzle.</p> <p>In every browser I've tested (Google Chrome, Firefox, Safari, Internet Explorer) it works great <strong>except</strong> in IE. Eveything gets injected just fine in IE <strong>the first time</strong> but after that it never even makes the call to <code>/game/getpuzzleinfo</code>. It's like it has cached the results or something.</p> <p>If I change the call to <code>$.post("/game/getpuzzleinfo", ...</code> IE picks it up just fine. But then Firefox quits working.</p> <p>Can someone please shed some light on this as to why IE is caching my <code>$.get</code> ajax calls?</p> <p><strong>UPDATE</strong></p> <p>Per the suggestion below, I've changed my ajax request to this, which fixed my problem:</p> <pre><code>$.ajax({ type: "GET", url: "/game/getpuzzleinfo", dataType: "json", cache: false, success: function(data) { ... } }); </code></pre>
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    1. COThanks for asking this. I am speechless that this browser behavior.
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    2. COGood question, and really cool website. Good idea.
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