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trigger change on wheeling inside <select>

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tophf 2020-10-05 18:37:47 +03:00
parent b840d4897d
commit 5196f96ee3
1 changed files with 5 additions and 1 deletions
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6
js/dom.js
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@ -98,7 +98,11 @@ document.addEventListener('wheel', event => {
return; return;
} }
if (el.tagName === 'SELECT') { if (el.tagName === 'SELECT') {
el.selectedIndex = Math.max(0, Math.min(el.length - 1, el.selectedIndex + Math.sign(event.deltaY))); const old = el.selectedIndex;
el.selectedIndex = Math.max(0, Math.min(el.length - 1, old + Math.sign(event.deltaY)));
if (el.selectedIndex !== old) {
el.dispatchEvent(new Event('change', {bubbles: true}));
}
event.preventDefault(); event.preventDefault();
} }
event.stopImmediatePropagation(); event.stopImmediatePropagation();