Created
October 15, 2019 02:10
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resize event test
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <pre id="log"></pre> | |
| <script> | |
| let lastSize = null; | |
| function updateSize() { | |
| const width = window.innerWidth; | |
| const height = window.innerHeight; | |
| const newSize = `${width}px by ${height}px`; | |
| if (lastSize == newSize) | |
| return; | |
| lastSize = newSize; | |
| document.getElementById('log').textContent += newSize + '\n'; | |
| setTimeout(updateSize, 5); | |
| } | |
| window.addEventListener('resize', () => { | |
| lastSize = null; | |
| document.getElementById('log').textContent += 'windowResize:'; | |
| updateSize(); | |
| }); | |
| if (window.visualViewport) { | |
| visualViewport.addEventListener('resize', () => { | |
| lastSize = null; | |
| document.getElementById('log').textContent += 'visualviewportResize:'; | |
| updateSize(); | |
| }); | |
| } | |
| setTimeout(updateSize, 5); | |
| </script> | |
| </body> | |
| </html> |
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