Get the length of a string.
You can get a single character from a string like an array element.
Strings are immutable, however.
toUpperCase converts a string to all uppercase.
toLowerCase converts a string to all lowercase.
trim removes whitespace from both ends.
trimStart removes whitespace from the start of a string.
trimLeft does the same.
trimEnd removes it from the end.
trimRight does the same.
padStart adds characters to the start of a string.
padEnd does the same to the end of a string.
Returns the UTF-16 code for the character at a given point in the string.
Returns the Unicode value for the character at a given point in the string.
Convert a UTF-16 code to its corresponding character.
The TextEncoder object can convert a string into a UTF-8 array and
the TextDecoder object can do the reverse.