JavaScript Map get() method

The JavaScript map get() method returns the value of specified key of an element from a Map object.

Syntax

The get() method is represented by the following syntax:

Parameter

key - The key to be searched.

Return

The value of specified key.

JavaScript Map get() method example

Here, we will understand get() method through various examples.

Example 1

Let's see a simple example of get() method.

<script>
var map=new Map();
map.set(1,"jQuery");
map.set(2,"AngularJS");
map.set(3,"Bootstrap");

document.writeln(map.get(1)+"<br>");
document.writeln(map.get(2)+"<br>");
document.writeln(map.get(3));
</script>

Test it Now

Output:

jQuery
AngularJS
Bootstrap

Example 2

Let's see an example to determine the result when map object doesn?t contain the specified key element.

<script>
var map=new Map();
map.set(1,"jQuery");
map.set(2,"AngularJS");
map.set(3,"Bootstrap");

document.writeln(map.get(5)); //returns undefined
</script>

Test it Now

Output:

undefined

Next TopicJavaScript Math

← prev next →

For Videos Join Our Youtube Channel: Join Now

Feedback

Send your Feedback to [email protected]

Help Others, Please Share

Learn Latest Tutorials

Splunk

SPSS

Swagger

Transact-SQL

Tumblr

ReactJS

Regex

Reinforcement Learning

R Programming

RxJS

React Native

Python Design Patterns

Python Pillow

Python Turtle

Keras

Preparation

Aptitude

Reasoning

Verbal Ability

Interview Questions

Company Questions

Trending Technologies

Artificial Intelligence

AWS

Selenium

Cloud Computing

Hadoop

ReactJS

Data Science

Angular 7

Blockchain

Git

Machine Learning

DevOps

B.Tech / MCA

DBMS

Data Structures

DAA

Operating System

Computer Network

Compiler Design

Computer Organization

Discrete Mathematics

Ethical Hacking

Computer Graphics

Software Engineering

Web Technology

Cyber Security

Automata

C Programming

C++

Java

.Net

Python

Programs

Control System

Data Mining

Data Warehouse

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on h[email protected], to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at [email protected].
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}

JavaScript Tutorial

JavaScript Basics

JavaScript Objects

JavaScript BOM

JavaScript DOM

JavaScript Validation

JavaScript OOPs

JavaScript Cookies

JavaScript Events

Exception Handling

JavaScript Misc

JavaScript Advance

Differences

Questions

Lodash

MCQ