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POStyling HTML inputs differently based upon their values using either CSS or jQuery
 

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  1. POStyling HTML inputs differently based upon their values using either CSS or jQuery
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    <p>I have an HTML form with plenty of inputs, most of which are optional. I want to apply different CSS to inputs based on their values as I think this will make it easier to see what fields have been specified.</p> <p>For example, if a textbox actually has a value entered, I'd like it to have a different background/border colour. I'm not sure how I'd write a CSS selector that tests for this (nor how many browsers would support it.)</p> <p>Similarly I have some radio buttons where one option is 'none', but if any other option is selected, its label text should be bold.</p> <p>Ideally I'd do this with CSS, but if it required jQuery, then that's ok, especially if it would give better crossbrowserness.</p> <p><strong>EDIT</strong> Some great answers here -- looks like JS is the path here. Reading through these JS solutions I realise some requirements that would have been neatly addressed by CSS:</p> <ul> <li>The form may be presented partially populated (when the entity is edited), meaning that no 'change' event fires.</li> <li>The form is dynamic in that new text boxes may be added.</li> </ul> <hr> <p>In the end I went for an amalgam of the below answers, which I'll include here in case someone else finds it useful:</p> <pre><code>var highlightInput = function () { var $this = $(this); if ($this.is(':text') || $this.is('textarea')) { $this.toggleClass('has-value', this.value.length &gt; 0); } else if ($this.is(':radio') || $this.is(':checkbox')) { $this.parent().find('input[name="' + this.name + '"]').each(function () { var $label = $('label[for="' + this.id + '"]'); var isSelected = this.checked &amp;&amp; $label.text() != 'Unspecified'; $label.toggleClass('selected-option', isSelected); }); } }; $('textarea, input:text').live('keyup', highlightInput) .live('change', highlightInput) .each(highlightInput); $('input:radio, input:checkbox').live('change', highlightInput) .each(highlightInput); </code></pre> <p>And some CSS, with crazy colours as placeholders:</p> <pre><code>input[type=text].has-value, textarea.has-value { background-color:#0F0; } label.selected-option { background-color:#0F0; } </code></pre>
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    1. USDrew Noakes
    1. USDrew Noakes
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    1. COJavaScript would definitely give you a better cross browser experience.
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      1. USLoktar
    2. COI don't think there's any CSS selector that can do this.
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      1. POStyling HTML inputs differently based upon their values using either CSS or jQuery
      1. USthirtydot
    3. COi think you should write a function which will loop thru each field, read its value and then apply proper css property to it. Now bind onchange event to each field with same fn to process the field. If u want than i can write code.
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      1. POStyling HTML inputs differently based upon their values using either CSS or jQuery
      1. USPraveen Prasad
 

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