for await…of 语句会在异步或者同步可迭代对象上创建一个迭代循环,包括 String,Array,类数组,Map, Set和自定义的异步或者同步可迭代对象。这个语句只能在 async function内使用: function Gen (time) { return new Promise((resolve,reject) => { setTimeout(function () { resolve(time) },time) }) } as...
async function makeRequest(url, options = {}) { try { const response = await fetch(url, options); if (!response.ok) { throw new Error(`HTTP error! status: ${response.status}`); } const data = await response.json(); return data; } catch (error) { console.error('Error making req...
async function fetchUserInfo(id) { const isSingle = typeof idList === 'string'; const idList = isSingle ? [id] : id; const result = await request.post('/api/userInfo', {idList}); return isSingle ? result[0] : result; } // 可以这样调用 const userList = await fetchUserInfo(['10...
Make an asynchronous function synchronous This is the wrong tool for most tasks! Prefer using async APIs whenever possible. The benefit of this package over packages like deasync is that this one is not a native Node.js addon (which comes with a lot of problems). Instead, this package exe...
If we convertgetArticleByID()into an async function, we can structure it a bit differently. First, let’s use theawaitoperator with ourwindow.fetch()call, and assign the returned response to theresponsevariable. Our async function will wait until the response is returned before continuing. ...
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Or use it in an async function:const doSomething = async () => { await sleep(2000) //do stuff } doSomething() Remember that due to how JavaScript works (read more about the event loop), this does not pause the entire program execution like it might happen in other languages, but ...
The JavaScript Task Runner task async cli minify uglify build lodash unit test qunit nodeunit server init scaffold View more vladikoff •1.6.1•2 years ago•2,556dependents•MITpublished version1.6.1,2 years ago2556dependentslicensed under $MIT ...
*/asyncfunctionsearch_api(pkg){consturl=`https://packages.msys2.org/api/search?query=${pkg}`returnawaitfetch(url).then(res=>{returnres.json()}).then((/** @type {ApiInfo} */json)=>{if(Object.keys(json.results.exact).length===0){throwDOESNT+' '+pkg;}returnjson.results.exact})....
// 判断是 AsyncGenerator function isAsyncGenerator( val: AsyncGenerator<void, void, void> | Promise<void>, ): val is AsyncGenerator<void, void, void> { // Symbol.asyncIterator: https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Symbol/asyncIterator ...