Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Replace Character in a String</title> <script> function strReplace(){ var myStr = 'quick_brown_fox'; var newStr = myStr.replace(/_/g, "-"); // Insert modified string in paragraph document.getElementById("myText").innerHTML = newStr; } </script> </head> <body> <p id="myText">quick_brown_fox</p> <button type="button" onclick="strReplace();">Replace</button> </body> </html>
