Wheel vs scroll event g. mozilla. You need to create interactive elements that respond to scrolling. Passive events. See full list on developer. , trackpad of MacBook or mouse wheel which can be turned smoothly), the value is computed from accelerated scroll amount. org This way of handling the scroll event is called the event throttling that throttles an onscroll‘s underlying operation every 300 milliseconds. Recently, modern web browsers have supported passive events for input events like scroll, touchstart, wheel These events allow you to monitor the user’s scolling. . You can prevent this event’s default. The throttling slows down the rate of execution of the scroll event handler. You cannot prevent the scrolling. To understand the wheel event better, let’s compare it with other common mouse events. If the device supports continuous scroll (e. mousewheel Fires when the user uses the mouse wheel. Apr 19, 2020 · By default, following the wheel event, browsers will trigger the wheel event handler and will trigger the scroll events. When a user scrolls, a wheel event is fired, browsers update scrollable elements with new scroll offsets, and at the same time, trigger a scroll event to the main thread, which triggers the scroll event handler, which in our The wheel event is particularly useful in scenarios where: You need to customize scrolling behavior. Note that the page does not have to scroll in order to fire May 2, 2025 · On Mac, the value is complicated. Comparing wheel with Other Mouse Events. You want to implement zoom features. The value is changed if the device that causes the native wheel event supports continuous scroll. scroll Fires when the user scrolls an element by any means (arrow keys, scrollbar or mouse wheel). In this case, the value is the same as Safari. wvkhw nki ykuoj uor yygo zyci wclli ssjdw uiqjvaq fbfs