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POValidate a form before ajax post without jquery validation plugin
 

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  1. POValidate a form before ajax post without jquery validation plugin
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    <p>I'm trying to write jquery validation, but I don't want to use a plugin</p> <p>Here's my ajax I would like to know how to implement validation before posting.</p> <pre><code> $('#insert_ticket').submit(function(e){ var postData = $(this).serialize(); alert(postData); $.ajax({ type: 'POST', url: 'http://localhost/api/eric_api.php?q=insertseries', data: postData, success: function(response){ $('#insert_ticket').find('.form_result').html(response); }, error: function(){ alert('error'); } }); e.preventDefault(); }); </code></pre> <p>Ok now I've added a validation test</p> <pre><code>$('#insert_ticket').submit(function(e){ var postData = $(this).serialize(); $('.error').hide(); if($('#user_error').length == ""){ $('.error').show(); return false; } $.ajax({ type: 'POST', url: 'http://localhost/api/eric_api.php?q=insertseries', data: postData, success: function(response){ $('#insert_ticket').find('.form_result').html(response); }, error: function(){ alert('error'); } }); e.preventDefault(); }); </code></pre> <p>My code doesn't work, but if I put it above it's sort of works as it hides the field unless the field is enpty. Yet if it is empty it still posts.</p> <p>Here's my html code</p> <pre><code>&lt;div class="wrapper"&gt; &lt;h1&gt;Ticketing System&lt;/h1&gt; &lt;div&gt; &lt;div id="ticket_form_wrapper"&gt; &lt;form id="insert_ticket" method="post" action=""&gt; &lt;p&gt; &lt;label for="user"&gt;User&lt;/label&gt; &lt;br /&gt; &lt;input type="user" name="user" id="user" class="post_fields" /&gt; &lt;div class="error" id="user_error"&gt;This is a required field&lt;/div&gt; &lt;/p&gt; &lt;p&gt; &lt;label for="email"&gt;Email&lt;/label&gt; &lt;br /&gt; &lt;input type="email" name="email" id="email" class="post_fields" /&gt; &lt;div class="error" id="email_req_error"&gt;This is a required field&lt;/div&gt; &lt;div class="error" id="email_invalid_error"&gt;This is not a valid email&lt;/div&gt; &lt;/p&gt; &lt;p&gt; &lt;label for="summary"&gt;Summary&lt;/label&gt; &lt;br /&gt; &lt;input type="summary" name="summary" id="summary" class="post_fields" /&gt; &lt;div class="error" id="summary_error"&gt;This is a required field&lt;/div&gt; &lt;/p&gt; &lt;p&gt; &lt;label for="due_date"&gt;Due Date&lt;/label&gt; &lt;br /&gt; &lt;input type="due_date" name="due_date" id="due_date" class="post_fields" /&gt; &lt;div class="error" id="invalid_date"&gt;This is not a valid Date&lt;/div&gt; &lt;/p&gt; &lt;p&gt; &lt;label for="problem_type"&gt;Problem Type&lt;/label&gt; &lt;br /&gt; &lt;input type="problem_type" name="problem_type" id="problem_type" class="post_fields" /&gt; &lt;/p&gt; &lt;p&gt; &lt;label for="status"&gt;Status&lt;/label&gt; &lt;br /&gt; &lt;input type="status" name="status" id="status" class="post_fields" /&gt; &lt;/p&gt; &lt;p&gt; &lt;input type="submit" id="submit" value="Submit" /&gt; &lt;input type="button" onclick="window.location='index.php'" value="Go to List"/&gt; &lt;div class="form_result"&gt; &lt;/div&gt; &lt;/p&gt; &lt;/form&gt; &lt;/div&gt; &lt;/div&gt; </code></pre>
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    1. USEric Evans
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    1. COjust add an if as the first statement and test there. `...function(e) { if (validate($(this)) { .... } e.preventDefault(); });`
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      1. USmplungjan
 

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