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POjQuery Validation and Placeholder conflict
 

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  1. POjQuery Validation and Placeholder conflict
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    <p>I'm using the jQuery Validation plugin to validate a form on my site.</p> <p><a href="http://docs.jquery.com/Plugins/Validation" rel="noreferrer">http://docs.jquery.com/Plugins/Validation</a></p> <p>I'm also using the following code to provide Placeholder support for browsers that do not support the HTML5 <code>placeholder=""</code> attribute.</p> <pre><code>// To detect native support for the HTML5 placeholder attribute var fakeInput = document.createElement("input"), placeHolderSupport = ("placeholder" in fakeInput); // Applies placeholder attribute behavior in web browsers that don't support it if (!placeHolderSupport) { $('[placeholder]').focus(function() { var input = $(this); if (input.val() == input.attr('placeholder')) { input.val(''); input.removeClass('placeholder'); } }).blur(function() { var input = $(this); if (input.val() == '') { input.addClass('placeholder'); input.val(input.attr('placeholder')); } }).blur().parents('form').submit(function() { $(this).find('[placeholder]').each(function() { //line 20 var input = $(this); if (input.val() == input.attr('placeholder')) { input.val(''); } }); }); } </code></pre> <p>When I submit my form, the following things happen:</p> <p>In browsers that support the <code>placeholder</code> attribute, the <code>validate()</code> function fires and everything works like it is supposed to.</p> <p>In browsers that do not support the <code>placeholder</code> attribute, lines 20-25 clear all the "placeholders" and then the <code>validate()</code> function fires. If there are no errors, the page submits and everything works like it is supposed to.</p> <p>In unsupported browsers, in the event that there are errors, the appropriate fields get applied <code>class="error"</code> like usual -- but the placeholder text doesn't come back until the <code>blur()</code> event happens on a particular field. This leaves those fields blank -- and since there's no labels (just the <code>placeholder</code> attribute) users are left to guess at what each empty field is supposed to contain until the <code>blur()</code> event happens.</p> <p>The other problem that unsupported browsers have is that since the placeholder fix modifies the <code>value</code> attribute to display the placeholder, fields that are marked as required pass validation when they should be failing.</p> <p>It seems there's no easy way to use the Validation plugin with the placeholder support code.</p> <p>I'm looking to either modify the placeholder support code or add a <code>submitHandler: {}</code> function as a parameter to the <code>validate()</code> function to get this working in unsupported browsers.</p>
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