Sublime Text
<!DOCTYPE html> <html> <body> <button type="button" onclick="clearInterval(start)">Dừng lại</button> <p id="demo"></p> <script> var start = setInterval(displayTime, 1000); function displayTime(){ var d = new Date(); document.getElementById("demo").innerHTML = d.toLocaleTimeString(); } </script> </body> </html>
<!DOCTYPE html> <html> <body> <button type="button" onclick="clearInterval(start)">Dừng lại</button> <p id="demo"></p> <script> var start = setInterval(displayTime, 1000); function displayTime(){ var d = new Date(); document.getElementById("demo").innerHTML = d.toLocaleTimeString(); } </script> </body> </html>