jQuery: znajdź i zawiń textnode jakimś elementem

mój kod HTML:

<body>Firebrand will tend to burn any bricks out there. so the best idea is to ignore any active firebrand if you are a bricks. Otherwise, you can challenge a firebrand if you have the proper quality to keep up with their latest technology. And don't mess up with firebrand if you are a robber.</body>

Chcę znaleźć dowolny „firebrand” w ciele i zastąpić go<span class="firebrand">firebrand</span> z jQuery

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