• 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