避免大型、复杂的布局和布局抖动

https://developers.google.com/web/fundamentals/performance/rendering/avoid-large-complex-layouts-and-layout-thrashing#avoid-forced-synchronous-layouts

标签：web,google,layout,抖动,avoid,布局,layouts,避免
来源： https://www.cnblogs.com/Running00/p/12360468.html