[Violation] 'setTimeout' handler took <N>ms

怎么解决这个东西？ [Violation] Forced reflow while executing JavaScript took 38ms 强制重绘，原因是你修改DOM的样式，立马又去读了一个Layout相关的属性，读取的话浏览器需要重新计算一遍布局，比如： const openModal = () => { element.style.display = 'block'; // WRITE const height = element.offsetHeight; // READ...