JavaScript – Replace all Occurrences of a Substring in String
To replace all occurrences of a substring in a string with a new value in JavaScript, call replaceAll() method on this string, and pass the search string and replacement string as arguments.
Syntax
The syntax to replace all occurrences of a substring searchValue with a new value replaceValue in this string str is
str.replaceAll(searchValue, replaceValue)
replaceAll() method returns a new string with the replacements done, and keeps the original string str unchanged.
Examples
In the following example, we take three strings: str, searchValue, and replaceValue. We will use replaceAll() method to replace all the occurrence of searchValue with replaceValue in str.
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Conclusion
In this JavaScript Tutorial, we learned how to replace all the occurrences of a substring with a new value in this string in JavaScript, using replaceAll() method, with examples.