{ 48, 16, 56, 24, 50, 18, 58, 26 },
const { readable, writable } = new TransformStream();
。关于这个话题，搜狗输入法下载提供了深入分析
Tony Jolliffe/BBC News
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.