Created
December 24, 2020 15:04
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Just a simple counter with html and javascript
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <title>Counter</title> | |
| </head> | |
| <body> | |
| <h1 id="number">0</h1> | |
| <button id="up-button">Up Button</button> | |
| <button id="down-button">Down Button</button> | |
| </body> | |
| <script> | |
| const up_button = document.getElementById("up-button"); | |
| const down_button = document.getElementById("down-button"); | |
| const num = document.getElementById("number"); | |
| if (up_button && down_button) { | |
| up_button.addEventListener("click", push_counter_up); | |
| down_button.addEventListener("click", push_counter_down); | |
| } | |
| function push_counter_up() { | |
| let current_num = number.innerHTML; | |
| let number_as_int = Number(current_num); | |
| let new_count = number_as_int + 1; | |
| number.innerHTML = new_count.toString(); | |
| // console.log(`current number is ${current_num}`) | |
| } | |
| function push_counter_down() { | |
| let current_num = number.innerHTML; | |
| number.innerHTML = current_num - 1; | |
| // console.log(`current number is ${current_num}`) | |
| } | |
| </script> | |
| </html> |
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