How to Check if String contains specific Character in JavaScript - Step by Step Examples
How to Check if String contains specific Character in JavaScript ?
Answer
To check if a string contains a specific character in JavaScript, you can use the 'includes' method of the String class.
✐ Examples
1 Check if String contains specific Character using 'includes' method
In this example,
- We create a function 'containsCharacter' that takes a string and a character as input.
- We use the 'includes' method of the string object to check if the character is present in the string.
- If the character is found, 'true' is returned; otherwise, 'false'.
- Finally, we print the result.
JavaScript Program
function containsCharacter(str, ch) {
return str.includes(ch);
}
let str = 'Hello World';
let ch = 'W';
let contains = containsCharacter(str, ch);
console.log(`String contains character '${ch}': ${contains}`);
Output
String contains character 'W': true
Summary
In this tutorial, we learned How to Check if String contains specific Character in JavaScript language with well detailed examples.
More JavaScript Strings Tutorials
- How to Create an Empty String in JavaScript ?
- How to get Length of String in JavaScript ?
- How to get Character at Specific Index in String in JavaScript ?
- How to get First Character in String in JavaScript ?
- How to get Last Character in String in JavaScript ?
- How to get First N Characters in String in JavaScript ?
- How to get Last N Characters in String in JavaScript ?
- How to get Substring after Specific Character in JavaScript ?
- How to get Substring before Specific Character in JavaScript ?
- How to get Substring between two Specific Characters in JavaScript ?
- How to get Substring from Specific Index to End in JavaScript ?
- How to Iterate over Characters in String in JavaScript ?
- How to Iterate over Words in String in JavaScript ?
- How to Check if String is Empty in JavaScript ?
- How to Check if String contains only Alphabets in JavaScript ?
- How to Check if String contains only Alphabets and Numbers in JavaScript ?
- How to Check if String contains only Numeric Digits in JavaScript ?
- How to Check if a String contains given Substring in JavaScript ?
- How to Check if String contains specific Character in JavaScript ?
- How to Check if String starts with Specific Prefix in JavaScript ?
- How to Check if String ends with Specific Suffix in JavaScript ?
- How to Append a String to another String in JavaScript ?
- How to Append a Character to beginning of a String in JavaScript ?
- How to Append a Character to end of a String in JavaScript ?
- How to Concatenate Two Strings in JavaScript ?
- How to Repeat a String N Times in JavaScript ?
- How to Insert Character at Specific Index in String in JavaScript ?
- How to Replace a Substring in String in JavaScript ?
- How to Replace multiple Spaces with a Single Space in String in JavaScript ?
- How to Replace Character at Specific Index in String in JavaScript ?
- How to Replace All Occurrences of a Substring in a String in JavaScript ?
- How to Replace a Substring in a String using Regular Expression in JavaScript ?
- How to Split a String in JavaScript ?
- How to Split a String by New Line in JavaScript ?
- How to Split a String by Comma in JavaScript ?
- How to Sort Characters in String in JavaScript ?
- How to convert String to Lowercase in JavaScript ?
- How to convert String to Uppercase in JavaScript ?
- How to Trim a String in JavaScript ?
- How to convert First Character in String to Uppercase in JavaScript ?
- How to Reverse a String in JavaScript ?
- How to Remove Character at specific Index in a String in JavaScript ?
- How to Remove First Character in a String in JavaScript ?
- How to Remove Last Character in a String in JavaScript ?
- How to Remove first N Characters in a String in JavaScript ?
- How to Remove last N Characters in a String in JavaScript ?
- How to Remove specific Substring in JavaScript ?
- How to Remove specific Character from a String in JavaScript ?
- How to Remove All Whitespace Characters from a String in JavaScript ?
- How to Remove Special Characters from a String in JavaScript ?
- How to keep only Alphabets in a String in JavaScript ?
- How to Convert Integer to String in JavaScript ?
- How to Convert String to Integer in JavaScript ?
- How to convert String to Float in JavaScript ?
- How to convert Float to String in JavaScript ?
- How to check if Two Strings are Equal in JavaScript ?
- How to check if Two Strings are Equal ignoring case in JavaScript ?
- How to Compare Two Strings in JavaScript ?
- How to find the Characters in the First String that are not Present in the Second String in JavaScript ?
- How to find the Index of Substring in JavaScript ?
- How to find the Index of Last Occurrence of Substring in JavaScript ?
- How to find the Indices of All Occurrences of Substring in JavaScript ?
- How to get all the possible Substrings of a String in JavaScript ?
- How to get all the possible K length Substrings in a String in JavaScript ?