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<!DOCTYPE html> <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|house|car/gi, function (x) { return x.toUpperCase(); }); document.getElementById("demo").innerHTML = result; </script> </body> </html>
