Edit This Code:
See Result »
<!DOCTYPE html> <html> <body> <p>Click the button to set "blue", "house" and "car" to upper-case, in the paragraph below:</p> <p id="demo">Mr Blue has a blue house and a blue car.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var str = document.getElementById("demo").innerHTML; var res = str.replace(/blue|house|car/gi, function myFunction(x){return x.toUpperCase();}); document.getElementById("demo").innerHTML = res; } </script> </body> </html>
Result: