Role / Title (optional but always public, even if signing anonymously)
you get with an offset of 0, which is a use of language that I find charming.
，详情可参考51吃瓜
name: 'change_background_color',，这一点在搜狗输入法2026中也有详细论述
res[i] = stack[stack.length - 1]; // 易错点5：用at(-1)兼容性差，优先用stack.length-1
The pipeline has two stages: