JavaScript String Methods |
Description |
charAt() |
Returns the character at the specified index |
charCodeAt() |
Returns the Unicode of the character at the specified index |
concat() |
Joins two or more strings, and returns a copy of the joined strings |
fromCharCode() |
Converts Unicode values to characters |
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 |
replace() |
Searches for a match between a substring and a string, and replaces the matched substring with a new substring |
search() |
Searches for a match between a regular expression and a string, and returns the position of the match |
slice() |
Extracts a part of a string and returns a new string |
split() |
Splits a string into an array of substrings |
substr() |
Extracts the characters from a string, beginning at a specified start position, and through the specified number of character |
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 |
valueOf() |
Returns the primitive value of a String object |