前端 javascript 数据类型 字典

定义字典

a = {"k1":"v1","k2":"v2",};
Object {k1: "v1", k2: "v2"}

javascript字典取值和python一样

a
Object {k1: "v1", k2: "v2"}

a["k1"]
"v1"
a["k2"]
"v2"

其实javascript 没有字典  javascript字典叫做对象