TheDeveloperBlog.com

Home | Contact Us

C-Sharp | Java | Python | Swift | GO | WPF | Ruby | Scala | F# | JavaScript | SQL | PHP | Angular | HTML

JavaScript Array includes() Method

JavaScript Array includes() Method with example, javascript array methods, concat() method, every() method, filter() method, forEach() method, join() method, indexOf() method, lastIndexOf() method, map() method, push() method, slice() method, sort() method, unshift() method, toSource() method etc.

<< Back to JAVASCRIPT

JavaScript Array includes() method

The JavaScript array includes() method checks whether the given array contains the specified element. It returns true if an array contains the element, otherwise false.

Syntax

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

array.includes(element,start)

Parameter

element - The value to be searched.

start - It is optional. It represents the index from where the method starts search.

Return

A Boolean value.

JavaScript Array includes() method example

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

Example 1

Let's see a simple example to determine whether the given array contains the specified element.

<script>
var arr=["AngularJS","Node.js","JQuery"]
var result=arr.includes("AngularJS");
document.writeln(result);
</script>
Test it Now

Output:

true

Example 2

In this example, we will provide the index from where the search starts.

<script>
var arr=["AngularJS","Node.js","JQuery"]
var result=arr.includes("AngularJS",1); //returns false, as "AngularJS" is not present after index 1.
document.writeln(result);
</script>
Test it Now

Output:

false

Example 3

Let's see one more example to determine whether the includes() method is case-sensitive.

<script>
var arr=["AngularJS","Node.js","JQuery"]
var result=arr.includes("angularjs");
document.writeln(result);
</script>
Test it Now

Output:

false

Next TopicJavaScript Array




Related Links:

.Net

.NET Array Dictionary List String 2D Async DataTable Dates DateTime Enum File For Foreach Format IEnumerable If IndexOf Lambda LINQ Parse Path Process Property Regex Replace Sort Split Static StringBuilder Substring Switch Tuple

Java

Core Array ArrayList HashMap String 2D Cast Character Console Deque Duplicates File For Format HashSet If IndexOf Lambda Math ParseInt Process Random Regex Replace Sort Split StringBuilder Substring Switch Vector While

Related Links

Adjectives Ado Ai Android Angular Antonyms Apache Articles Asp Autocad Automata Aws Azure Basic Binary Bitcoin Blockchain C Cassandra Change Coa Computer Control Cpp Create Creating C-Sharp Cyber Daa Data Dbms Deletion Devops Difference Discrete Es6 Ethical Examples Features Firebase Flutter Fs Git Go Hbase History Hive Hiveql How Html Idioms Insertion Installing Ios Java Joomla Js Kafka Kali Laravel Logical Machine Matlab Matrix Mongodb Mysql One Opencv Oracle Ordering Os Pandas Php Pig Pl Postgresql Powershell Prepositions Program Python React Ruby Scala Selecting Selenium Sentence Seo Sharepoint Software Spellings Spotting Spring Sql Sqlite Sqoop Svn Swift Synonyms Talend Testng Types Uml Unity Vbnet Verbal Webdriver What Wpf