异步async await 相关知识点总结以及代码练习

Posted 2022-11-12 sugartang

<script>
const setTimeoutToPromise = duration => new Promise(resolve => 
    setTimeout(resolve, duration)
)
export default 
    data() 
        return 
            mysrc: true
        
    ,
    methods: 
        s1(a)
            console.log(a)
        ,
        s2(a)
            console.log(a)
        ,
        s3(a)
            console.log(a)
        ,
        async s4()
            this.s1(1)
            await setTimeoutToPromise(100).then(() => this.s2(2)).then()
            this.s3(3)
        //输出顺序是132
    

</script>