[语法速记](%E8%AF%AD%E6%B3%95%E9%80%9F%E8%AE%B0.md) [json对象取值](json%E5%AF%B9%E8%B1%A1%E5%8F%96%E5%80%BC%E7%9A%84%E4%BF%A9%E7%A7%8D%E6%96%B9%E5%BC%8F.md) [字符串、对象、数组的区别](json%E5%AD%97%E7%AC%A6%E4%B8%B2%E3%80%81%E5%AF%B9%E8%B1%A1%E3%80%81%E6%95%B0%E7%BB%84%E7%9A%84%E5%8C%BA%E5%88%AB.md)