Accessing Select Box Options on Hover
The question posed is how to create a select box where the options become visible on hover, rather than clicking.
Solution 1: JavaScript and CSS
This solution utilizes JavaScript and CSS to display the options upon hovering:
<code class="javascript">$('#selectUl li:not(":first")').addClass('unselected'); // Hides 'unselected' elements in the ul. $('#selectUl').hover( function(){ // Mouse-over $(this).find('li').click( function(){ $('.unselected').removeClass('unselected'); // Removes the 'unselected' style $(this).siblings('li').addClass('unselected'); // Adds 'unselected' style to other li elements var index = $(this).index(); $('select option:selected').removeAttr('selected'); // Deselects previous selection $('select[name=size]') .find('option:eq(' + index + ')') .attr('selected',true); // Assuming a 1:1 relationship between li and option elements }); }, function(){ // Mouseout or mouseleave });</code>
Solution 2: jQuery Plugin
An alternative approach is to use a jQuery plugin to simplify the process:
<code class="javascript">$(function() { $('select.makePlain').selectUl(); });</code>
CSS and HTML
The CSS and HTML used in the demo:
<code class="html"><select name="size" class="makePlain"> <option value="small">Small</option> <option value="medium">Medium</option> <option value="large">Large</option> </select> <ul id="selectUl"> <li>small</li> <li>medium</li> <li>large</li> </ul></code>
<code class="css">select { opacity: 0.5; } ul { width: 8em; line-height: 2em; } li { display: list-item; width: 100%; height: 2em; border:1px solid #ccc; border-top-width: 0; text-indent: 1em; background-color: #f90; } li:first-child { border-top-width: 1px; } li.unselected { display: none; background-color: #fff; } ul#selectUl:hover li.unselected { background-color: #fff; } ul#selectUl:hover li, ul#selectUl:hover li.unselected { display: list-item; } ul#selectUl:hover li { background-color: #fc0; } ul#selectUl li:hover, ul#selectUl li.unselected:hover { background-color: #f90; }</code>
Customization
The plugin can be easily customized with additional features such as dynamic text, descriptions, and more.
The above is the detailed content of How to Create a Select Box That Shows Options on Hover?. For more information, please follow other related articles on the PHP Chinese website!

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