- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
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
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 −
Published on 15-Jul-2020 13:53:18
- Related Questions & Answers
- What is an object in Python? Explain with examples
- What is JavaScript closure? Explain with examples.
- How do we check if an object is an array in Javascript?
- Can I verify if a JavaScript variable is loaded if so, how?
- How to determine if JavaScript object is an event?
- How to create a JSON object in JavaScript? Explain with an example.
- How to create constants in JavaScript? Explain with examples.
- Can we check if a property is in an object with JavaScript?
- Check if an array object is equal to another array object in C#
- How to sort an array in JavaScript?Explain with example?
- JavaScript: How to Check if a String is a Literal or an Object?
- Determining If an Object Is an Array in Java
- How to check if an object is an instance of a Class in JavaScript?
- Explain Deep cloning an object in JavaScript with an example.
- How to verify if an element is displayed on screen in Selenium?
Advertisements