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Minimal reproduction of scrolling issue in WKWebView on iOS 12.2 with `pointer-events: none` when using `-webkit-overflow-scrolling: touch`
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| <!DOCTYPE html> | |
| <html lang="en" dir="ltr"> | |
| <head> | |
| <meta name="viewport" content="viewport-fit=cover, width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> | |
| <style> | |
| html, body { | |
| width: 100%; | |
| height: 100%; | |
| } | |
| body { | |
| position: fixed; | |
| } | |
| .scroll-bug-container { | |
| left: 0; | |
| right: 0; | |
| top: 20px; | |
| bottom: 0; | |
| position: absolute; | |
| display: block; | |
| overflow-y: scroll; | |
| -webkit-overflow-scrolling: touch; | |
| } | |
| </style> | |
| <script> | |
| function freeze() { | |
| document.querySelector('.scroll-bug-container').style.backgroundColor = "gray"; | |
| document.querySelector('.scroll-bug-container').style.pointerEvents = "none"; | |
| setTimeout(() => { | |
| document.querySelector('.scroll-bug-container').style.pointerEvents = ""; | |
| }, 750); | |
| } | |
| function unfreeze() { | |
| // triggering any style change causes normal scroll behavior to resume | |
| document.querySelector('.scroll-bug-container').style.backgroundColor = ""; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div class="scroll-bug-container"> | |
| <button onclick="freeze()">Freeze</button> | |
| <button onclick="unfreeze()">Unfreeze</button> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| <div>Item</div> | |
| </div> | |
| </body> | |
| </html> |
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