passive-event-listeners

Prevent page scrolling when scrolling a DIV while resolving [Violation] warning in console

由 左心房为你撑大大i 提交于 2020-01-03 08:35:24
问题 At first this seems to be duplicate question answered here but there is more that need to be figured out. How can I resolve below given [Violation] warning in google chrome console? [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. Here is the code snippet that works but with the above mentioned [Violation] warning. $.fn.isolatedScroll = function() { this.on('mousewheel

Unable to preventDefault inside passive event listener due to target being treated as passive - Chrome

由 元气小坏坏 提交于 2019-12-25 01:43:51
问题 I used the following code and started to get the below mention error what is wrong with the code and what is the fix for it. Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/6662647093133312 <script> jQuery(window).scroll(function() { if (jQuery(this).scrollTop() > 400) { jQuery('.headerN').css("width", "100%"); jQuery('.headerN').slideDown(); } else { jQuery('.headerN').slideUp(); } }); </script> 回答1: In

Javascript Google Maps API & non-passive event handlers

由 一曲冷凌霜 提交于 2019-12-08 15:09:27
问题 Recently Chrome started emitting the following warnings: [Violation] Added non-passive event listener to a scroll-blocking 'touchmove' event. Consider marking event handler as 'passive' to make the page more responsive. See https://www.chromestatus.com/feature/5745543795965952 These are coming from the JavaScript Google Maps API code. I'm able to add {passive: true} to addEventListener() in my own code but don't know how to suppress the warning in Googles libraries? 来源： https://stackoverflow

zone.js violation warnings on console in Angular project only on Chrome

由 雨燕双飞 提交于 2019-12-04 08:20:30
问题 I've an Angular 4 project created using @angular/cli , when running the application in development mode, I receive those warnings in the console: zone.js:1489 [Violation] 'setTimeout' handler took 209ms 2[Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler

zone.js violation warnings on console in Angular project only on Chrome

由 徘徊边缘 提交于 2019-12-02 22:34:18
I've an Angular 4 project created using @angular/cli , when running the application in development mode, I receive those warnings in the console: zone.js:1489 [Violation] 'setTimeout' handler took 209ms 2[Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. zone.js:1157 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. zone.js:1157 [Violation] Added non-passive event

scroll events: requestAnimationFrame VS requestIdleCallback VS passive event listeners

由 不问归期 提交于 2019-11-29 18:47:38
As we know, it's often advised to debounce scroll listeners so that UX is better when the user is scrolling. However, I've often found libraries and articles where influential people like Paul Lewis recommend using requestAnimationFrame . However as the web platform progress rapidly, it might be possible that some advice get deprecated over time. The problem I see is there are very different use-cases for handling scroll events, like building a parallax website, or handling infinite scrolling and pagination. I see 3 major tools that can make a difference in term of UX: requestAnimationFrame

scroll events: requestAnimationFrame VS requestIdleCallback VS passive event listeners

由 只愿长相守 提交于 2019-11-28 13:40:14
问题 As we know, it's often advised to debounce scroll listeners so that UX is better when the user is scrolling. However, I've often found libraries and articles where influential people like Paul Lewis recommend using requestAnimationFrame . However as the web platform progress rapidly, it might be possible that some advice get deprecated over time. The problem I see is there are very different use-cases for handling scroll events, like building a parallax website, or handling infinite scrolling

What are passive event listeners?

由 做~自己de王妃 提交于 2019-11-26 17:03:23
While working around to boost performance for progressive web apps, I came across a new feature Passive Event Listeners and I find it hard to understand the concept. What are Passive Event Listeners and what is the need to have it in our projects? Vivek Passive event listeners are an emerging web standard, new feature shipped in Chrome 51 that provide a major potential boost to scroll performance. Chrome Release Notes. It enables developers to opt-in to better scroll performance by eliminating the need for scrolling to block on touch and wheel event listeners. Problem: All modern browsers have

What are passive event listeners?

由 天大地大妈咪最大 提交于 2019-11-26 05:00:37
问题 While working around to boost performance for progressive web apps, I came across a new feature Passive Event Listeners and I find it hard to understand the concept. What are Passive Event Listeners and what is the need to have it in our projects? 回答1: Passive event listeners are an emerging web standard, new feature shipped in Chrome 51 that provide a major potential boost to scroll performance. Chrome Release Notes. It enables developers to opt-in to better scroll performance by eliminating
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