After un-minifying, add{passive: true}to the addEventListener function on line 1567 like so: t.addEventListener(p, a, {passive: true})) Nothing breaks and lighthouse audits don't complain about the listeners. never change the source code of a library; you should override it...
handle, { passive: !ns.includes('noPreventDefault') }); } }; jQuery.event.special.touchmove = { setup: function( _, ns, handle ) { this.addEventListener('touchmove', handle, { passive: !ns.includes('noPreventDefault') }); } }; ...
在基于 Element-ui 写项目的时候,Chrome 提醒: [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. image.png 翻译过来如下: 违反:没有添加被动事件监听器来阻止'touchstart'事件,请考虑添加...
Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. 这个警告意味着在事件监听器中,添加了一个阻止页面滚动的 `mousewheel` 事件,但是该事件监听器并没有标记为被动事件监听器(passive event listener)。这...
针对你的问题“added non-passive event listener to a scroll-blocking 'touchmove' event. consider marking event handler as 'passive' to make the page more responsive”,我将按照提示逐步解答,并尽可能清晰地表达。 1. 理解什么是'passive'事件监听器 在Web开发中,'passive'事件监听器是一种特殊类型的事件...
passive 可选 一个布尔值,设置为 true 时,表示 listener 永远不会调用 preventDefault()。如果 listener 仍然调用了这个函数,客户端将会忽略它并抛出一个控制台警告。查看使用 passive 改善滚屏性能以了解更多。 可见passive主要用来屏蔽preventDefault(),如果代码中有还会触发一个警告,可能是preventDefault,妨碍了页面滚动...
Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. 解决方法: 安装default-passive-events npm i default-passive-events -S 在main.js中引入 ...
一般出现这个问题,肯定大部分人都是使用default-passive-events插件。 但是随着项目的扩大,default-passive-events难免会和其他插件产生冲突,比如canvas库konvajs。 在使用konvajs和default-passive-events后,肯定会报: 拖拽时 bash 复制代码 Unable to preventDefault inside passive event listener invocation. ...
Version 5.4.1 Link to Minimal Reproduction No response Steps to Reproduce import * as echarts from "echarts"; echarts.init(container); Current Behavior [Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event...
Vue控制台警告: Added non-passive event listener to a scroll-blocking 'touchmove' event. Consider marking event handler as 'passive' to make the page more responsive 翻译过来如下: 违反:没有添加被动事件监听器来阻止'touchstart'事件,请考虑添加事件管理者'passive',以使页面更加流畅。