What is replaceAll() Method in JavaScript ?
In JavaScript, the replaceAll()
method is used to replace all occurrences of a specified substring or pattern within a string with another substring or pattern. It returns a new string with all occurrences replaced.
Syntax:
string.replaceAll(searchValue, newValue)
Parameters:
string
: The original string in which to perform the replacements.searchValue
: The substring or regular expression pattern to be replaced.newValue
: The string that replaces each occurrence ofsearchValue
.
Example: Here, the replaceAll()
method is called on the str
string to replace all occurrences of “fox” with “cat”. The resulting string, "The quick brown cat jumps over the lazy dog."
, is stored in the variable newStr
.
Javascript
const str = "The quick brown fox jumps over the lazy dog." ; const newStr = str.replaceAll( "fox" , "cat" ); console.log(newStr); // Output: "The quick brown cat jumps over the lazy dog." |
Output
The quick brown cat jumps over the lazy dog.
Contact Us