lazyman
function LazyMan(name) {
let quene = []
let _lazyman = {
next() {
let fn = quene.shift()
console.log(fn)
if (fn) {
fn()
}
},
sayHi() {
quene.push(() => {
console.log('Hi! This is ', name)
this.next()
})
return this
},
eat(arg) {
quene.push(() => {
console.log('Eat ' + arg)
this.next()
})
return this
},
sleep(wait) {
quene.push(() => {
setTimeout(() => {
console.log('wake up after ', wait)
this.next()
}, wait * 1000)
})
return this
},
sleepFirst(wait) {
quene.unshift(() => {
setTimeout(() => {
console.log('wake up after ', wait)
this.next()
}, wait * 1000)
})
return this
},
}
_lazyman.sayHi()
setTimeout(() => {
_lazyman.next()
})
return _lazyman
}
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前端面试中的LazyManopen in new window