Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Get Length of Select Options Dropdown in JavaScript
Let’s say the following is our dropdown (select) −
<select id="lengthListOfOptionDemo"> <option>John</option> <option>Mike</option> <option>Sam</option> <option>David</option> <option>Carol</option> </select>
Following is the code to get the length of list options in JavaScript −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=
1.0">
<title>Document</title>
</head>
<link rel="stylesheet"
href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/fontawesome/
4.7.0/css/font-awesome.min.css">
<style>
</style>
<body>
<select id="lengthListOfOptionDemo">
<option>John</option>
<option>Mike</option>
<option>Sam</option>
<option>David</option>
<option>Carol</option>
</select>
<script>
var lengthOfListOptions = $("#lengthListOfOptionDemo option").length;
console.log("The length is=" + lengthOfListOptions);
</script>
</body>
</html>
To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.
Output
This will produce the following output −
Updated on: 2020-09-01T10:36:50+05:30
1K+ Views
Advertisements