摘要：
``` """ 2、现有以下成绩单数据 scores = [ { name: 'Bob', math: 97, chinese: 89, english: 67 }, { name: 'Tom', math: 67, chinese: 52, english: 98 }, { name: 'Jerry', math: 72, chinese: 87, english: 89 }, { name: 阅读全文
摘要：
1. 点击的对应的按钮改变颜色 2. 点击改变颜色 阅读全文