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POJavascript Function Won't Execute, No matter what I do
 

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  1. POJavascript Function Won't Execute, No matter what I do
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    <pre><code>&lt;script type="text/javascript"&gt; function appearbox(){ document.getElementById('hotelparoikia').style.display = 'block'; document.getElementById('desc1').style.display = 'block'; document.getElementById('desc2').style.display = 'block'; document.getElementById('typeofroom').style.display = 'block'; } &lt;/script&gt; </code></pre> <p>As you can see, the above is the javascript code I have in my HTML file.</p> <pre><code>&lt;form&gt; &lt;table&gt; &lt;tr&gt;&lt;th&gt;Επιλέξτε Περιοχή&lt;/th&gt;&lt;th style="display:none;" id="desc1"&gt;Επιλέξτε ξενοδοχειακό συγκρότημα&lt;/th&gt;&lt;th style="display:none;" id="desc2"&gt;Επιλέξτε τύπο δωματίου&lt;/th&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td align="center"&gt; &lt;select id="hotelarea" onFocus="appearbox"&gt; &lt;option value="0" selected="selected" onFocus="appearbox" &gt;ΠΑΡΟΙΚΙΑ&lt;/option&gt; &lt;option value="1" onFocus="appearbox" &gt;ΝΑΟΥΣΑ&lt;/option&gt; &lt;option value="2" onFocus="appearbox" &gt;ΧΡΥΣΗ ΑΚΤΗ&lt;/option&gt; &lt;option value="3" onFocus="appearbox" &gt;ΠΙΣΩ ΛΙΒΑΔΙ&lt;/option&gt; &lt;option value="4" onFocus="appearbox" &gt;ΑΛΙΚΗ&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;td align="center"&gt; &lt;select style="display:none;" id="hotelparoikia"&gt; &lt;option value="0" selected="selected"&gt;PAROS BAY HOTEL&lt;/option&gt; &lt;option value="1"&gt;MARISA ROOMS&lt;/option&gt; &lt;option value="2"&gt;AROKARIA BEACH&lt;/option&gt; &lt;option value="3"&gt;REPPAS APARTMENTS&lt;/option&gt; &lt;option value="4"&gt;VASSILIKI ROOMS&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;td align="center"&gt; &lt;select style="display:none;" id="typeofroom"&gt; &lt;option value="0" selected="selected"&gt;ΜΟΝΟΚΛΙΝΟ&lt;/option&gt; &lt;option value="1"&gt;ΔΙΚΛΙΝΟ&lt;/option&gt; &lt;option value="2"&gt;ΤΡΙΚΛΙΝΟ&lt;/option&gt; &lt;option value="3"&gt;ΤΕΤΡΑΚΛΙΝΟ&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre> <p>This is another part of the code in my HTML file</p> <p>As you can see, when the DropDownList is OnFocus, appearbox() should run and make some elements visible, but it won't run. Can anyone help me?</p>
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    1. COThe _onFocus_ 's `appearbox` is most likely _undefined_ . You should separate your JavaScript from your HTML and attach it on load via `.addEventListener`.
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      1. USPaul S.
 

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