const wait = (ms) => new Promise((resolve) => setTimeout(resolve, ms)); const asyncFn = async () => { await wait(1000); console.log('Waiting for an asynchronous function to finish executing'); }; asyncFn(); 11、有条件地在对象中添加属性 const isValid = false; const age = 18...
var promise2 = rp('https://api.example.com/endpoint2'); // Currently, both requests are fired, concurrently and // now we'll have to wait for them to finish //现在,两个请求都被执行,必须等到他们执行完成 var response1 = await promise1; var response2 = await promise2; return respo...
then(() => { // wait for task to finish const session = { issuer, publicAddress, email }; return encryptSession(session).then(token => { cy.setCookie('my-session-token', token); return session; }); }) }); Digging into the code for @hapi/iron, there is a call to crypto whi...
async function chainedFetchMessages(p, username) { // In this function, p is a promise. We wait for it to finish, // then run fetchMessages(). const obj = await p; const data = await fetchMessages(username); return { ...obj, [username]: data}; } const msgObj = userList .map(...
We wait for all requests to finish with Promise.all. After completion, we go through the array of responses and server name and response status. $ node main.js http://webcode.me -> nginx/1.6.2: 200 https://example.com -> ECS (dcb/7ECA): 200 http://httpbin.org -> gunicorn/19.9...
}functionchainedFetchMessages(p, username) {// In this function, p is a promise. We wait for it to finish,// then run fetchMessages().returnp.then((obj)=>{returnfetchMessages(username).then(data=>{return{ ...obj, [username]: data ...
{ // In this function, p is a promise. We wait for it to finish, // then run fetchMessages(). const obj = await p; const data = await fetchMessages(username); return { ...obj, [username]: data}; } const msgObj = userList .map(getUsername) .reduce(chainedFetchMessages, ...
We wait for it to finish, // then run fetchMessages(). const obj = await p; const data = await fetchMessages(username); return { ...obj, [username]: data};}const msgObj = userList .map(getUsername) .reduce(chainedFetchMessages, Promise.resolve({})) .then(console.log);// {gles...
Modules required in this manner are expected to do work synchronously; Mocha won't wait for async tasks in a required module to finish. Note you cannot use --require to set a global beforeEach() hook, for example — use --file instead, which allows you to specify an explicit order in ...
}); output.on("finish", () => { // When output is fully written callback(null); // call the callback with no error. }); } // Here's a simple command-line utility to copy files let from = process.argv[2], to = process.argv[3]; console.log(`Copying file ${from} to $...