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POPython/Javascript/AJAX live search help
 

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    <p>I'm trying to create an AJAX live search (such as Google Suggest) with python. I'm new to AJAX, so I started reading some tutorials and other useful documentation. I found an example, <a href="http://www.w3schools.com/ajax/ajax_aspphp.asp" rel="nofollow">http://www.w3schools.com/ajax/ajax_aspphp.asp</a>, which is basically what I'm trying to accomplish but this example is for asp/php only. I managed so far to code the python portion of the program, however I'm getting an undefined error.</p> <p>Below is my javascript code (test.js, which is basically the same as the one from the example):</p> <pre><code>function showHint(str) { var xmlhttp; if (str.length==0) { document.getElementById("txtHint").innerHTML=""; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 &amp;&amp; xmlhttp.status==200) { document.getElementById("txtHint").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","search.py?q="+str,true); xmlhttp.send(); } </code></pre> <p>In firefox 4, it comes up with the error "str is undefined".</p> <p>Below is my html portion of my python code:</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;title&gt;Live Search&lt;/title&gt; &lt;script src="http://localhost:8000/test.js" type="text/javascript"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;h1&gt; Cities &lt;/h1&gt; Enter Anything: &lt;input type="text" id="sname" onkeyup="showHint(this.text)"&gt; %(search)s &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Note: before I had onkeyup="showHint(this.id) but it doesn't work for some reason.. it keeps passing "sname" as the query instead of what I type into the input field.</p> <p>Please help</p>
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