Remove First N Characters

Problem

Given a string word and an integer n, return a new string with the first n characters removed from word. If n is greater than the length of word, return an empty string.

Examples

removeFirstNChars('hello', 2)
// 'llo'

removeFirstNChars('programming', 4)
// 'ramming'

removeFirstNChars('tree', 0)
// 'tree'

removeFirstNChars('apple', 10)
// ''