Here is a list of the METHODS available in String object along with their description.

• charAt(): Returns the character at the specified index.
• charCodeAt(): Returns a number indicating the UNICODE value of the character at the given index.
• concat(): Combines the text of two strings and returns a new string.
• indexOf(): Returns the index within the calling String object of the first occurrence of the specified value, or -1 if not found.
• lastIndexOf(): Returns the index within the calling String object of the last occurrence of the specified value, or -1 if not found.
• localeCompare(): Returns a number indicating WHETHER a reference string comes before or after or is the same as the given string in sort order.
• match(): Used to match a regular expression against a string.
• replace(): Used to find a match between a regular expression and a string, and to replace the matched substring with a new substring.
• search(): Executes the search for a match between a regular expression and a specified string.
• slice(): Extracts a section of a string and returns a new string.
• split(): Splits a String object into an array of strings by separating the string into substrings.
• substr(): Returns the CHARACTERS in a string beginning at the specified location through the specified number of characters.
• substring(): Returns the characters in a string between two indexes into the string.
• toLocaleLowerCase(): The characters within a string are converted to lower case while respecting the current locale.
• toLocaleUpperCase(): The characters within a string are converted to upper case while respecting the current locale.
• toLowerCase(): Returns the calling string value converted to lower case.
• toString(): Returns a string representing the specified object.
• TOUPPERCASE(): Returns the calling string value converted to uppercase.
• valueOf(): Returns the primitive value of the specified object.

Here is a list of the methods available in String object along with their description.