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POHow to write Validation code based on fieldsets that are currently visible using Jquery
 

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  1. POHow to write Validation code based on fieldsets that are currently visible using Jquery
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    <p>We need to retrieve all the required fields in this codeIgniter/PHP app, since the hide/display js code is used, how can I, using jquery, get all the required fields that are visible? see attached sample html.</p> <p>In the prod app, all the required fields have this css on the label [ * ]. is there a way to pull all these fields using jquery? Here is the catch, issue, this [ * ] is on the label, I actually need get/check that the associate field is empty and the field could be a text, dropdown, checbox, radio, etc. if empty, I need prevent submission of the form and display error message.</p> <p>In short, <strong>OnClick</strong> of the submit button, grab <strong>all fields that are required</strong> that are <strong>in fieldsets that are currently visible</strong> [has to do with detecting height and width] if any of these fields are empty, stop form submission and display error message, ie: "this field is required" "this field is required" "this field is required" [This will go into a div at the top of the page]</p> <p><strong>test code below:</strong></p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;meta content="text/html; charset=utf-8" http-equiv="Content-Type" /&gt; &lt;title&gt;Project Overview&lt;/title&gt; &lt;script type="text/javascript"&gt; var projectType_Field_Id = '1169'; //Project Types var projectTypes = new Array ( {id : '11', value:'Cars'}, {id : '12', value:'Boats'}, {id : '13', value:'Planes'}); //occurs onLoad function formOnLoad() { var project_type = document.getElementById(projectType_Field_Id).value; refreshSections(project_type); } /* * Onchange - Project Type */ function projectTypeChange() { var project_type = document.getElementById(projectType_Field_Id).value; refreshSections(project_type); } function refreshSections(selectedType) { for (var i = 0; i &lt; projectTypes.length; i++) { if (projectTypes[i].value == selectedType) { document.getElementById("section-"+ projectTypes[i].id).style.display = ''; } else { document.getElementById("section-"+ projectTypes[i].id).style.display = 'none'; } } } &lt;/script&gt; &lt;/head&gt; &lt;body onload="formOnLoad();"&gt; &lt;form method="post" action=""&gt; &lt;fieldset name="mainSection"&gt; &lt;legend style="color:blue; font-weight:bold"&gt;Project Overview Section&lt;/legend&gt; &lt;table style="width: 100%"&gt; &lt;tr&gt; &lt;td style="height: 33px; width: 178px; color:maroon"&gt;Name&lt;span class="required"&gt; * &lt;/span&gt;&lt;/td&gt; &lt;td style="height: 33px"&gt;&lt;input id="1125" name="1125" type="text" class="valuetext fld_required"/&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="height: 33px; width: 178px; color:maroon"&gt;Email&lt;span class="required"&gt; * &lt;/span&gt;&lt;/td&gt; &lt;td style="height: 33px"&gt;&lt;input id="1026" name="1026" type="text" class="valuetext fld_required"/&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 178px"&gt;Product Title&lt;/td&gt; &lt;td&gt;&lt;input id="1089" name="1089" type="text" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 178px"&gt;Product Type&lt;/td&gt; &lt;td&gt;&lt;select id="1169" name="1169" onChange="projectTypeChange();"&gt; &lt;option value=""&gt;Select&lt;/option&gt; &lt;option value="Cars"&gt;Cars&lt;/option&gt; &lt;option value="Boats"&gt;Boats&lt;/option&gt; &lt;option value="Planes"&gt;Planes&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/fieldset&gt;&lt;br /&gt;&lt;br /&gt; &lt;fieldset id="section-11" name="section-11"&gt; &lt;legend style="color:fuchsia; font-weight:bold"&gt;Car Details Section&lt;/legend&gt; &lt;table cellpadding="2" style="width: 100%"&gt; &lt;tr&gt; &lt;td style="width: 334px; height: 35px"&gt;&lt;label style="color:maroon"&gt;Size:&lt;/label&gt;&lt;span class="required"&gt; * &lt;/span&gt;&lt;/td&gt; &lt;td style="height: 35px"&gt;&lt;input id="1245" name="1245" type="text" class="valuetext fld_required"/&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="height: 35px; width: 334px"&gt;Color:&lt;/td&gt; &lt;td style="height: 35px"&gt; &lt;select id="1433" name="1433"&gt; &lt;option value="Orange"&gt;Orange&lt;/option&gt; &lt;option value="Blank"&gt;Blank&lt;/option&gt; &lt;option value="Green"&gt;Green&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 334px"&gt;Description:&lt;/td&gt; &lt;td&gt; &lt;textarea id="1290" name="1290" rows="2" style="width: 433px"&gt;&lt;/textarea&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/fieldset&gt; &lt;br /&gt; &lt;fieldset id="section-12" name="section-12"&gt; &lt;legend style="color:fuchsia; font-weight:bold"&gt;Plane Details Section&lt;/legend&gt; &lt;table cellpadding="2" style="width: 100%"&gt; &lt;tr&gt; &lt;td style="width: 334px; height: 35px"&gt;&lt;label style="color:maroon"&gt;Size:&lt;/label&gt;&lt;span class="required"&gt; * &lt;/span&gt;&lt;/td&gt; &lt;td style="height: 35px"&gt;&lt;input id="1254" name="1254" type="radio" class="valuetext fld_required"/&gt;Small &lt;input id="1254" name="1254" type="radio" /&gt;Large&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="height: 35px; width: 334px"&gt;Color:&lt;/td&gt; &lt;td style="height: 35px"&gt; &lt;select id="1433" name="1433"&gt; &lt;option value="Orange"&gt;Orange&lt;/option&gt; &lt;option value="Blank"&gt;Blank&lt;/option&gt; &lt;option value="Green"&gt;Green&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 334px"&gt;Description:&lt;/td&gt; &lt;td&gt; &lt;textarea id="1290" name="1290" rows="2" style="width: 433px"&gt;&lt;/textarea&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/fieldset&gt;&lt;br /&gt; &lt;fieldset id="section-13" name="section-13"&gt; &lt;legend style="color:fuchsia; font-weight:bold"&gt;Boat Details Section&lt;/legend&gt; &lt;table cellpadding="2" style="width: 100%"&gt; &lt;tr&gt; &lt;td style="width: 334px; height: 35px"&gt;&lt;label style="color:maroon"&gt;Size:&lt;/label&gt;&lt;span class="required"&gt; * &lt;/span&gt;&lt;/td&gt; &lt;td style="height: 35px"&gt;&lt;select id="1245[]" name="1245[]" class="valuetext fld_required"&gt; &lt;option value=""&gt;Select&lt;/option&gt; &lt;option value="Small"&gt;Small&lt;/option&gt; &lt;option value="Medium"&gt;Medium&lt;/option&gt; &lt;option value="Large"&gt;Large&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="height: 35px; width: 334px"&gt;Color:&lt;/td&gt; &lt;td style="height: 35px"&gt; &lt;select id="1433" name="1433"&gt; &lt;option value="Orange"&gt;Orange&lt;/option&gt; &lt;option value="Blank"&gt;Blank&lt;/option&gt; &lt;option value="Green"&gt;Green&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 334px"&gt;Description:&lt;/td&gt; &lt;td&gt; &lt;textarea id="1290" name="1290" rows="2" style="width: 433px"&gt;&lt;/textarea&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/fieldset&gt; &lt;fieldset id="section-1011" name="section-1011"&gt; &lt;legend style="color:green; font-weight:bold"&gt;Misc Info Section&lt;/legend&gt; &lt;table cellpadding="2" style="width: 100%"&gt; &lt;tr&gt; &lt;td style="width: 334px; height: 35px"&gt;&lt;label&gt;Size:&lt;/label&gt;&lt;/td&gt; &lt;td style="height: 35px"&gt;&lt;input id="1301" name="1301" type="text" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="height: 35px; width: 334px"&gt;Color:&lt;/td&gt; &lt;td style="height: 35px"&gt; &lt;select id="1302" name="1302"&gt; &lt;option value="Orange"&gt;Orange&lt;/option&gt; &lt;option value="Blank"&gt;Blank&lt;/option&gt; &lt;option value="Green"&gt;Green&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="width: 334px"&gt;Description:&lt;/td&gt; &lt;td&gt; &lt;textarea id="1303" name="1303" rows="2" style="width: 433px"&gt;&lt;/textarea&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/fieldset&gt; &lt;input name="Send Job" type="submit" value="Send Job" /&gt; &lt;/form&gt; &lt;/html&gt; </code></pre>
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