📜  等到函数完成 javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:07.943000             🧑  作者: Mango

代码示例1
function firstFunction(_callback){
    // do some asynchronous work
    // and when the asynchronous stuff is complete
    _callback();    
}

function secondFunction(){
    // call first function and pass in a callback function which
    // first function runs when it has completed
    firstFunction(function() {
        console.log('huzzah, I\'m done!');
    });    
}