jQuery Show a Textbox When an Option is Selected
问题 I have the following code: <select> <option value="Type 1">Type 1</option> <option value="Type 2">Type 2</option> <option value="Type 3">Type 3</option> <option value="Other">Other</option> </select> <input type="text" id="other" /> What I want to do is using jQuery make the textbox below hidden by default, and then show it if a user selects the other option from the dropdown. 回答1: No need for any css here. $('#sel').change(function() { var selected = $(this).val(); if(selected == 'Other'){ $