frank_1
一个人要像一支队伍，对着自己的头脑和心灵招兵买马，不气馁，有召唤，
获得徽章 0
- let listener = (value) => {
console.log(value)
}
let broadcaster = (listener) => {
listener(1)
listener(2)
listener(3)
}
let operator = (broadcaster) => (listener) => {
let currentValue = 0
broadcaster((value) => {
currentValue += value
setTimeout(() => {
listener(currentValue)
}, currentValue * 1000)
})
}
operator(broadcaster)(listener)展开赞过 评论1
