![]() If it is a function, it will be invoked after the match has been performed. The second parameter can be a new string value or a function. To replace all occurrences of a specified value, you must use a regular expression with the global modifier ( g). ![]() If it is a string value, only the first instance of the value will be replaced. The first parameter can be a string or a regular expression. replace (substr |regexp, newSubstr | function ) The replace() method accepts two parameters: const newStr = string. The replace() method in JavaScript searches a string for a specified value or a regular expression and returns a new string with some or all matched occurrences replaced.
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