![]() When searchValue is a string, only the first occurrence of the substring gets replaced: 'aabbcc'. However, String#replace doesn’t directly address this use case. replace ( 'b', '_' ) Ī common use case is replacing all instances of a given substring. (searchValue, replacement) returns a string with some matches replaced, based on the parameters you specify: 'abc'. ![]() If you’ve ever dealt with strings in JavaScript, chances are you came across the String#replace method.
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