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- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="utf-8">
- <title>ArrowUp/Down -> PageUp/Down testi</title>
- <script>
- window.onload = () => {
- document.addEventListener('keydown', (e) => {
- if(e.key == 'ArrowDown') {
- console.log('ArrowDown painettu, laukaistaan keydown-eventti PageDownilla');
- document.dispatchEvent(new KeyboardEvent('keydown',{'key': 'PageDown'}));
- }
- if(e.key == 'ArrowUp') {
- console.log('ArrowUp painettu, laukaistaan keydown-eventti PageUpilla');
- document.dispatchEvent(new KeyboardEvent('keydown',{'key': 'PageUp'}));
- }
- if(e.key == 'PageDown') {
- alert('PageDown painettu, tavalla tai toisella');
- }
- if(e.key == 'PageUp') {
- alert('PageUp painettu, tavalla tai toisella');
- }
- });
- };
- </script>
- </head>
- <body>
- <h1>ArrowUp/Down -> PageUp/Down testi</h1>
- <p>ArrowDown lähettää PageDown-eventin</p>
- <p>ArrowUp lähettää PageUp-eventin</p>
- </body>
- </html>
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