JavaScript String Methods
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String Methods Demo
Hints
The above demo uses the following string methods.
- string.toUpperCase() - to convert a string to uppercase letters.
- string.toLowerCase() - to convert a string to lowercase letters.
- string.split() - to split a string into an array of substrings.
List of String Methods
The following table provides a list of all string methods available in JavaScript.
| Method | Explanation |
|---|---|
| charAt() | Returns the character at the specified index |
| charCodeAt() | Returns the Unicode of the character at the specified index |
| concat() | Combine two or more strings and returns a new joined strings |
| endsWith() | Checks whether a string ends with the characters of another string. |
| fromCharCode() | Converts Unicode values to characters |
| includes() | Checks whether a string contains the specified characters/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() | Compares two strings in the current locale |
| match() | Used to match a regular expression against a string |
| repeat() | Returns a new string with a specified number of copies of an existing 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 into an array of substrings |
| startsWith() | Checks whether a string begins with specified characters |
| substring() | Returns the characters in a string between two indexes into the string |
| toLocaleLowerCase() | Converts a string to lowercase letters, according to the host's locale |
| toLocaleUpperCase() | Converts a string to uppercase letters, according to the host's locale |
| toLowerCase() | Converts a string to lowercase letters |
| toString() | Returns a string representing the specified object |
| 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 |
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