Can HTML and JavaScript be used to create a countdown timer for a button click event instead of PHP?

To create a countdown timer for a button click event using HTML and JavaScript instead of PHP, you can use JavaScript to handle the timer logic and update the countdown on the button click event. This can be achieved by setting an initial countdown time, decrementing it at regular intervals using setInterval function, and updating the button text accordingly. ```html <!DOCTYPE html> <html> <head> <title>Countdown Timer</title> </head> <body> <button id="countdownBtn" onclick="startCountdown()">Start Countdown</button> <p id="countdown"></p> <script> function startCountdown() { var countdownTime = 10; // 10 seconds countdown var countdownElement = document.getElementById('countdown'); var countdownInterval = setInterval(function() { countdownElement.textContent = countdownTime + ' seconds remaining'; countdownTime--; if (countdownTime < 0) { clearInterval(countdownInterval); countdownElement.textContent = 'Countdown over'; } }, 1000); } </script> </body> </html> ```

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HTML JavaScript countdown timer button click event PHP

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