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<html><body><h1>JavaScript Strings</h1><h2>The replaceAll() Method</h2><p>Search a string for a pattern and return a new string with all matches replaced:</p><p id="demo">Mr Blue has a blue house and a blue car.</p><script>let text = document.getElementById("demo").innerHTML; let result = text.replaceAll(/blue/gi, "red");document.getElementById("demo").innerHTML = result;</script></body></html>