JavaScript String charAt() method

charAt()The method returns the character at the specified index in the string.

The index of the first character is 0, the index of the second character is1, and so on.

The index of the last character in the string isstring.length-1.

If the index you provide exceeds this range, JavaScript returns an empty string.

If no index is provided for charAt(), the default value is 0.

Syntax:

string.charAt(index)

Example

var　str　=　'oldtoolbag.com';
str.charAt(1);//　return　h

All browsers fully support the charAt() method:

Method
charAt()	Is	Is	Is	Is	Is

Parameter	Description
index	An integer representing the index of the character to be returned

Return Value:	A string that represents the character at the specified index; if the index is not found, an empty string is returned
JavaScript Version:	ECMAScript 1

Return the last character of the string:

Example

var　str　=　'oldtoolbag.com';
str.charAt(str.length-1);

Traverse the string and print each character:

Example

var　str　=　'oldtoolbag.com';
for(let　i=0;　i<str.length;　i++)　{
str.charAt(i);
}