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前端阅读-84 #84

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ckinmind opened this issue Jan 20, 2018 · 0 comments
Open

前端阅读-84 #84

ckinmind opened this issue Jan 20, 2018 · 0 comments

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@ckinmind
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ckinmind commented Jan 20, 2018

ES6 的解构赋值前每次都创建一个对象吗?会加重 GC 的负担吗?

不要做这种语法层面的微优化,引擎会去优化的,业务代码还是更加关注可读性和可维护性。如果你写的是库代码,可以尝试这种优化,把参数展开后直接传递,到底能带来多少性能收益还得看最终的基准测试

浏览器中的画中画(Picture-in-Picture)模式及其 API

WICG,全名为 Web Incubator Community Group(Web 孵化器社区小组),主要成员为 Chrome 的工程师们,他们从一年前开始标准化这个能让视频弹窗播放的特性,起名为 Picture-in-Picture(画中画),缩写为 PiP

在 web 上使用 JavaScript 模块

好文,mark


SVG滤镜对图片调色

很专业的文章

揭开JS无埋点技术的神秘面纱

所以,“无埋点”技术的关键是:操作可视化配置工具,保存配置;SDK基础代码如何根据配置上报行为

CSS3 animation属性中的steps功能符深入介绍

steps()功能符可以让动画不连续

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