The String slice() method

Return a new string from the part of the string included between the begin and end positions.

The original string is not mutated.

end is optional.

'This is my car'.slice(5) //is my car
'This is my car'.slice(5, 10) //is my

If you set a negative first parameter, the start index starts from the end, and the second parameter must be negative as well, always counting from the end:

'This is my car'.slice(-6) //my car
'This is my car'.slice(-6, -4) //my