JavaScript – String lastIndexOf() Method
The String lastIndexOf() method returns the position of the last occurrence, searching from the end to the beginning, of a specified value in a string.
JavaScript – String localeCompare() Method
The String localeCompare() method compares two strings in the current locale, and returns their sort order -1, 1, or 0 (before, after, equal).
JavaScript – String match() Method
The String match() method matches a string against a regular expression, returning an array with the matches or null if no match is found.
JavaScript – String repeat() Method
The String repeat() method returns a new string with a number of copies of an existing string, without changing the original string.
JavaScript – String replace() Method
The String replace() method searches a string for a value or a regular expression, and returns a new string with the values replaced.
JavaScript – String search() Method
The String search() method matches a string against a regular expression, returning the position of the first match or -1 if no match is found.
JavaScript – String slice() Method
The String slice() method extracts a part of a string, returning the extracted part as a new string, without changing the original string.
JavaScript – String split() Method
The String split() method splits a string into an array of substrings, and returns a new array, without changing the original string.
JavaScript – String startsWith() Method
The String startsWith() method returns “true” if a string starts with a specified string, if not, it returns “false”.
JavaScript – String substr() Method
The String substr() method extracts characters from a string starting at a specified position, returning the extracted part as a new string.
JavaScript – String substring() Method
The String substring() method extracts characters from a string, between two positions, returning a substring, while not changing the original string.
JavaScript – String toLocaleLowerCase() Method
The String toLocaleLowerCase() method converts a string to lowercase letters, using the current locale, without changing the original string.
JavaScript – String toLocaleUpperCase() Method
The String toLocaleUpperCase() method converts a string to uppercase letters, using the current locale, without changing the original string.
JavaScript – String toLowerCase() Method
The String toLowerCase() method converts a string to lowercase letters, without changing the original string.
JavaScript – String toString() Method
The String toString() method returns a string object as a string, without changing the original string.
JavaScript – String toUpperCase() Method
The String toUpperCase() method converts a string to uppercase letters, without changing the original string.
JavaScript – String trim() Method
The String trim() method removes whitespace from both sides of a string, without changing the original string.
JavaScript – String trimEnd() Method
The String trimEnd() method removes whitespace from the end of a string, without changing the original string.
JavaScript – String trimStart() Method
The String trimStart() method removes whitespace from the beginning of a string, without changing the original string.
JavaScript – String valueOf() Method
The String valueOf() method returns the primitive value of a string, without changing the original string.