TypeScript String charAt() Method

Last Updated : 19 Jul, 2024

The String.prototype.charAt() method in TypeScript is used to return the character at the specified index of a string. The characters in the string are indexed from left to right, starting at 0.

Syntax:

string.charAt( index )

Parameter: This method accepts a single parameter as mentioned above and described below:

index: It is an integer value between 0 and 1 less than the length of the string.

Return Value: This method returns a character for the given index in the argument.

Below examples illustrate the working of charAt() method in TypeScript:

Examples of TypeScript String charAt() Method

Example 1: Basic Usage of charAt()

In this example, we will use the charAt() method to get the character at a specific index in a string.

TypeScript

const str: string = "Hello, World!"; const charAtIndex: string = str.charAt(4); console.log(charAtIndex);

Output:

Example 2: Iterating Over a String Using charAt()

In this example, we will demonstrate how to use charAt() in a loop to access and print each character of a string.

TypeScript

const str: string = "JavaScript"; for (let i = 0; i < str.length; i++) {     console.log(`str.charAt(${i}) is: ${str.charAt(i)}`); }

Output:

str.charAt(0) is:J str.charAt(1) is:a

TypeScript String String.fromCodePoint() Method

SHUBHAMSINGH10

Improve

Article Tags :

Similar Reads

TypeScript String charCodeAt() Method

The String.charCodeAt() method in TypeScript returns the Unicode value of the character at a specified index in a string. It takes an integer index as a parameter and returns the corresponding Unicode value as a number. Syntaxstring.charCodeAt(index);Parameter: This method accepts a single parameter

2 min read

TypeScript String.fromCharCode() Method

The fromCharCode() is an inbuilt TypeScript String method. It mainly changes Unicode code points within the Basic Multilingual Plane (BMP) into strings. Although it provides a method for dealing with characters through typing on a keyboard it has restrictions when it comes to characters, outside the

1 min read

TypeScript String codePointAt() Method

The codePointAt() method is a built-in TypeScript string method. It is primarily used to retrieve the Unicode code point value of a character at a specified position within a string. Syntax:stringName.codePointAt(position);Parameters:position: This parameter requires the index position of the charac

2 min read

TypeScript String String.fromCodePoint() Method

The fromCodePoint() is an inbuilt TypeScript String method. It is mainly used to get the string value of any given Unicode point value. This method is really helpful when you want to handle characters that are not readily available through keyboard input. Syntax:String.fromCodePoint(...codePoints: n

1 min read

TypeScript String

In TypeScript, the string is sequence of char values and also considered as an object. It is a type of primitive data type that is used to store text data. The string values are used between single quotation marks or double quotation marks, and also array of characters works same as a string. TypeSc

4 min read

JavaScript String charAt() Method

The JavaScript String charAt() method retrieves the character at a specified index in a string. The index is passed as an argument to the method, and it returns the character at that position. Note: JavaScript uses zero-based indexing, meaning the first character is at index 0, the second at index 1

3 min read

JavaScript String. toWellFormed() Method

One very common job in the world of JavaScript is working with strings, and sometimes it's really important to ensure that those strings are well-formed. The toWellFormed method is rather one of the new ones in JavaScript. It was added to help developers work with strings containing Unicode characte

2 min read

JavaScript String charCodeAt() Method

The JavaScript str.charCodeAt() method returns a Unicode character set code unit of the character present at the index in the string specified as the argument. The index number ranges from 0 to n-1, where n is the string's length. Syntax:str.charCodeAt(index)Parameters: This method accepts a single

3 min read

JavaScript String Methods

JavaScript strings are the sequence of characters. They are treated as Primitive data types. In JavaScript, strings are automatically converted to string objects when using string methods on them. This process is called auto-boxing. The following are methods that we can call on strings. slice() extr

12 min read

JavaScript String fromCharCode() Method

The fromCharCode() method in JavaScript is a static method of the String object. Which is used to create a string from a sequence of Unicode values. Syntax:String.fromCharCode(n1, n2, ..., nX)Parameters:The method takes the UTF-16 Unicode sequences as its argument. The number of arguments to this me

3 min read