TypeScript | String charAt() Method

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

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:
Example 1:

TypeScript

// Original string
var str = new String(
    'JavaScript is object oriented language');

// Finding the character at given index
var value = str.charAt(14);
console.log(value);

Output:

o

Example 2:

TypeScript

// Original string
var str = new String(
    'JavaScript is object oriented language');

// Finding the character at given index
console.log("str.charAt(0) is: " + str.charAt(0));
console.log("str.charAt(1) is: " + str.charAt(1));

Output:

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