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August 2, 2018 10:44
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horizontalWheelScroll()
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const container = document.querySelector('.scroll-container'); | |
container.addEventListener('wheel', horizontalWheelScroll); | |
function horizontalWheelScroll (event) { | |
let modifier; | |
if (event.deltaMode === event.DOM_DELTA_PIXEL) { | |
modifier = 1; | |
// иные режимы возможны в Firefox | |
} else if (event.deltaMode === event.DOM_DELTA_LINE) { | |
modifier = parseInt(getComputedStyle(this).lineHeight); | |
} else if (event.deltaMode === event.DOM_DELTA_PAGE) { | |
modifier = this.clientHeight; | |
} | |
if (event.deltaY !== 0) { | |
// замена вертикальной прокрутки горизонтальной | |
this.scrollLeft += modifier * event.deltaY; | |
event.preventDefault(); | |
} | |
} |
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