Unable to preventDefault inside passive event listener due to target being treated as passive 今天在做项目的时候发现这个问题:于是Google了一下! 由于浏览器必须要在执行事件处理函数之后,才能知道有没有掉用过 preventDefault() ,这就导致了浏览器不能及时响应滚动,略有延迟. 所以为了让页面滚动的效果如丝般顺滑,从 chrome56 开始,在 window.document 和 bod
最近做项目经常在 chrome 的控制台看到如下提示: Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/5093566007214080 于是 Google 了一番,找到这篇文章,有了详细解释.Making touch scrolling fast by default 简
1 前言 在制作2048时,需要在手机端添加滑动检测事件,然后发现控制台有警告,如下: main2048.js:218 [Intervention] Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/5093566007214080 2 解决办法: 在touch的事件监听方法
移动端项目中,在滚动的时候,会报出以下提示: [Intervention] Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/5093566007214080 解决 在touch的事件监听方法上绑定第三个参数{ passive: false }, 通过传递 passive 为
最近两天企业微信下IScroll突然无法滚动了,特别慢,之前好好的,发现主要是有红色的Unable to preventDefault inside passive event listener due to target being treated as passive频繁输出到控制台.在网上查找方法1.css里统一加 *{touch-action: none;} 2.将false修改为passive:false document.addEventListener('touchmove', f
使用fastClick.js所产生的一些问题 开发h5活动页时想到移动端会有300ms的延迟,于是便打算用fastClick.js解决. 页面引入fastClick.js后,滑动H5页面的时候发现谷歌浏览器会报错,如下: Unable to preventDefault inside passive event listener due to target being treated 查询了之后发现这是因为Chrome及其内核浏览器更新了一项新特性,原先只会报黄色等级的错误,现在升到红色了.那么
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. 原因是 Chrome51 版本以后,C
先看一个场景 var arr = ["a","b","c"]; for (var i in arr) { $.get("h.html", function (data) {//1 console.log(data); console.log(arr[i]); console.log("----"); })
using System.Reflection; 1.载入Dll Assembly asm=Assembly.LoadFile(FullPath);//FullPath 为Dll所在位置的全路径. 2.取得所需要的类的类型 Type t = asm.GetType("namespaceName.className");//命名空间名.类名 3.建立此类型的对象(相当于 new) object o = Activator.CreateInstance(t); //创建Type t类型的对
摘自: http://www.ntu.edu.sg/home/ehchua/programming/java/J4a_GUI.html Refer to the WindowEventDemo, a WindowEvent listener is required to implement the WindowListener interface,which declares 7 abstract methods. Although we are only interested in windo
今天在项目中遇到了一个问题,就是在定义了一个函数drawHtml(),本意是想在函数运行结束后,返回拼接的字符串,可是函数运行结束后始终返回的是undefined 有BIG的代码: function drawHtml(){ var html =""; $.ajax({ type:'get', url:'http://localhost:63342/projectStudy/json/data.json', success:function(data){ var dataList = d