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POhow to hide a text field in js?
 

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    <p>I want to hide the text field when I select from <em>item2</em> from the list. Here is the relevant part of my code:</p> <pre><code>&lt;div class="control-group"&gt; &lt;label class="control-label"&gt;Select Parent&lt;/label&gt; &lt;div class="controls"&gt; &lt;select name="parent_id" class="span6 m-wrap" data-placeholder="Choose a Parent" tabindex="1"&gt; &lt;option value="0" &gt;Select Parent&lt;/option&gt; &lt;?php $admin_sql=mysql_query("select * from admin_detail where parent_id='0' and role='2'"); while($Fetch_Admin=mysql_fetch_array($admin_sql)) { ?&gt; &lt;option value="&lt;?php echo $Fetch_Admin['id']; ?&gt;" onClick = "myFunction()" &gt; &lt;?php echo $Fetch_Admin['name'] ;?&gt; &lt;/option&gt; &lt;?php } ?&gt; &lt;/select&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="control-group"&gt; &lt;label class="control-label"&gt;Name&lt;/label&gt; &lt;div class="controls"&gt; &lt;input type="text" name="name" class="span6 m-wrap" placeholder="Name" required/&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="control-group"&gt; &lt;label class="control-label"&gt;Login ID&lt;/label&gt; &lt;div class="controls"&gt; &lt;input type="text" name="login" class="span6 m-wrap" placeholder="Login ID" required/&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="control-group"&gt; &lt;label class="control-label"&gt;Password&lt;/label&gt; &lt;div class="controls"&gt; &lt;input type="password" name="password" class="span6 m-wrap" placeholder="Password" required/&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="control-group" id="op1"&gt; &lt;label class="control-label" &gt;Add Options&lt;/label&gt; &lt;div class="controls"&gt; &lt;input type="text" name="option1" class="span6 m-wrap" placeholder="Option1" required/&gt; &lt;input type="text" name="option2" class="span6 m-wrap" placeholder="Option2" required/&gt; &lt;input type="text" name="option3" class="span6 m-wrap" placeholder="Option3" required/&gt; &lt;input type="text" name="option4" class="span6 m-wrap" placeholder="Option4" required/&gt; &lt;input type="text" name="option5" class="span6 m-wrap" placeholder="Option5" required/&gt; &lt;/div&gt; &lt;/div&gt; </code></pre> <p>The associated javascript function is:</p> <pre><code>&lt;script&gt; function myFunction() { document.getElementById("op1").style.visibility="hidden"; } &lt;/script&gt; </code></pre> <p>I have also tried the same thing by using a button. When I apply the <code>onClick</code> function to the button it work properly. Can some one show me where I am going wrong or which function should I use for the list.</p>
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