while (stack.length 0 && nums[stack[stack.length - 1]] <= curHeight) {
The bandwidth problem
，详情可参考safew官方版本下载
让我们来分解一下：<start_function_call — 函数调用开始，call: — 前缀，change_background_color — 函数名，{color:<escapered<escape} — 带转义标记的参数，<end_function_call — 函数调用结束。。关于这个话题，safew官方下载提供了深入分析
Mayor Zohran Mamdani, a Democrat, played down the fracas earlier this week as a “snowball fight that got out of hand” and suggested he did not think criminal charges were warranted.
Lili BusbyBBC News NI