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February 21, 2022 22:56
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JS: Simple Progress Bar
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>CountDown</title> | |
| <!-- source: http://crowdforthink.com/blogs/how-to-create-a-countdown-timer-with-progress-bar-in-javascript --> | |
| </head> | |
| <body> | |
| <progress value="0" max="3600" id="pbar" ></progress> | |
| <p id="counting">3600</p> | |
| <button id="start" onclick="start_countdown()">Start CountDown</button> | |
| <script type="text/javascript"> | |
| function start_countdown(){ | |
| var reverse_counter = 3600; | |
| var downloadTimer = setInterval(function(){ | |
| document.getElementById("pbar").value = 3600 - --reverse_counter; | |
| if (reverse_counter <= 0) | |
| clearInterval(downloadTimer); | |
| document.getElementById("counting").innerHTML= reverse_counter; | |
| }, 1000); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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