How to disable the drop-down list in HTML5 ?
In this article, we will learn how to disable the drop-down list in HTML5. The drop-down is used to create a list of items that need to select an element. We use <select> and <option> elements to create a drop-down list and use the disabled attribute in <select> element to disable the drop-down list element. A disabled drop-down list is un-clickable and unusable. It is a boolean attribute.
Syntax:
<select disabled> Option values... </select>
Attribute Value:
|
Attribute Value |
Description |
|---|---|
|
disabled |
It is used to specify the select element is disabled. A disabled drop-down list is un-clickable and unusable. It is a boolean attribute. |
Example 1: In this example, we will use select element with disabled property for disabling the list with an example.
HTML
<!DOCTYPE html><html><head> <title> How to disabled drop-down list in HTML5? </title></head><body style="text-align: center;"> <h1 style="color: green;"> GeeksforGeeks </h1> <h3> How to disabled drop-down list in HTML5? </h3> <select disabled> <option value="c">C</option> <option value="cpp">C++</option> <option value="java">Java</option> <option value="python">Python</option> </select></body></html> |
Output:
Example2: In this example, we will dynamically disable and enable the functionality of dropdown.
HTML
<!DOCTYPE html><html><head> <title>Dynamic Dropdown Disable</title></head><body> <h1 style="color: green;">GeeksforGeeks</h1> <label for="vehicle">Choose a car:</label> <select id="cars" name="cars"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="mercedes">Mercedes</option> <option value="audi">Audi</option> </select> <button onclick="enableDropdownFunctioning()"> Enable dropdown </button> <button onclick="disableDropdownFunctioning()"> Disable dropdown </button> <script> function disableDropdownFunctioning() { document.getElementById("vehicle").disabled = true; } function enableDropdownFunctioning() { document.getElementById("vehicle").disabled = false; } </script></body></html> |
Output:
