- indexOf() Returns the position of the first found occurrence of a specified value in a string
- lastIndexOf() Returns the position of the last found occurrence of a specified value in a string
- match() Searches a string for a match against a regular expression, and returns the matches
- replace() Searches a string for a specified value, or a regular expression, and returns a new string where the specified values are replaced
- search() Searches a string for a specified value, or regular expression, and returns the position of the match
- slice() Extracts a part of a string and returns a new string
- substring() Extracts the characters from a string, between two specified indices
- toLowerCase() Converts a string to lowercase letters
- toUpperCase() Converts a string to uppercase letters
- trim() Removes whitespace from both ends of a string