Javascript 如何在For Await循环结束后调用回调函数
我想在for wait循环结束后调用scan函数中的回调函数。我该怎么做Javascript 如何在For Await循环结束后调用回调函数,javascript,typescript,Javascript,Typescript,我想在for wait循环结束后调用scan函数中的回调函数。我该怎么做 let personObj = {}; let personArray = []; async function scan() { for await (const person of mapper.scan({valueConstructor: Person})) { decrypt(person.name, function () { personArray.push
let personObj = {};
let personArray = [];
async function scan() {
for await (const person of mapper.scan({valueConstructor: Person})) {
decrypt(person.name, function () {
personArray.push(personObj);
});
}
}
例如,我想在循环后调用console.log(personArray)
。您将希望在异步
函数中使用它:
function decryptAsync(value) {
return new Promise(resolve => {
decrypt(value, resolve);
});
}
async function scan() {
let personArray = [];
for await (const person of mapper.scan({valueConstructor: Person})) {
let personObj = await decryptAsync(person.name);
personArray.push(personObj);
}
console.log(personArray)
}