- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to verify if a JavaScript object is an array? Explain with examples.
The JavaScript Array.isArray() method is used to verify if a JavaScript object is an array or not based on the Boolean value returned by it.
Following is the code to verify if JavaScript object is an array −
Example
<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .result,.sample { font-size: 20px; font-weight: 500; } </style> </head> <body> <h1>Verify if a JavaScript object is array</h1> <div class="sample"></div> <div style="color: green;" class="result"></div> <button class="Btn">CLICK HERE</button> <h3> Click on the above button to verify if the above object is array or not </h3> <script> let sampleEle = document.querySelector(".sample"); let resEle = document.querySelector(".result"); let arr = [1,2,3,4,'A','B','C']; sampleEle.innerHTML = arr; document.querySelector(".Btn").addEventListener("click", () => { resEle.innerHTML = 'The above object is an array : '+Array.isArray(arr); }); </script> </body> </html>
Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
- Related Articles
- What is an object in Python? Explain with examples
- How do we check if an object is an array in Javascript?
- How to create a JSON object in JavaScript? Explain with an example.
- What is JavaScript closure? Explain with examples.
- How to sort an array in JavaScript?Explain with example?
- How to create constants in JavaScript? Explain with examples.
- How to check if the constructor of an object is a JavaScript Object?
- How to determine if JavaScript object is an event?
- How do I check if an array includes an object in JavaScript?
- How to merge an array with an object where values are arrays - JavaScript
- JavaScript: replacing object keys with an array
- How to check if a variable is an array in JavaScript?
- JavaScript: How to Check if a String is a Literal or an Object?
- Explain Deep cloning an object in JavaScript with an example.
- How to check if an object is an instance of a Class in JavaScript?

Advertisements