FunFun코딩

fetch('http://localhost:8080/?apiKey=123&parm=abc', { method : 'GET', headers : { 'Content-Type' : 'application/json' }, body : JSON.stringify({ name : 'aaa', age : 33, email : 'test@test.com' })}).then(res => res.json).then.(json => console.log(json);//method 는 GET,POST,PUT,DELETE//body 부분은 문자화const proc = async () => { let res = await fetch('http://localhost:8080/?apiKey=123&..

fetch('http://localhost:8080/?apiKey=123&parm=abc').then(res => res.json).then.(json => console.log(json);const proc = async () => { let res = await fetch('http://localhost:8080/?apiKey=123&parm=abc'); let json = await res.json(); console.log(json);}proc();

const getDesc = searchKey => { return new Promise(resolve => { fetch('http://localhost/?apiKey=123&parm='${searchKey}') .then(res => res.json) .then(json => resolve(json)) });}let arr = ["aa", "bb", "cc"];//forEach 사용말것,//순서대로const descProc = async () => { for(let data of arr){ let desc = await getDesc("tb_table"); console.log(data, desc); }}

const getDesc = searchKey => { return new Promise(resolve => { fetch('http://localhost/?apiKey=123&parm='${searchKey}') .then(res => res.json) .then(json => resolve(json)) });}let arr = ["aa", "bb", "cc"];//forEach 사용말것,//순서대로const descProc = async () => { for(let data of arr){ let desc = await getDesc("tb_table"); console.log(data, desc); }}

const getDesc = searchKey => { return new Promise((resolve, reject) => { fetch( 'http://localhost:8080/?apiKey=123&parm=${searchKey}') .then(res => res.json) .then(json => { if(json.rtn === "false"){ reject(json.error); } resolve(json); }) .catch(err => { reject(err) }) })}let bLoading = true;getDesc("tb_table").then(tblDesc => console.log(tblDesc)).catch(err => c..

const addFunc = (idx) => { return new Promise(resolve,reject) => { setTimeout(() => { if(idx > 15){ reject("error"); return; } resolve(idx+1); },1000); }}addFunc(3).then(res => console.log(res)).catch(err => console.log(err)).finally(() => console.log("끝“))const addProc = async() => { try { const res = await addFunc(2) console.log(res) } catch (err){ ..

const addFunc = (idx, succFunc, errFunc) => { setTimeout(() => { if(idx > 15){ errFunc("error"); return; } succFunc(idx+1); },1000);}addFunc(3,res => console.log(res),err => console.log(err))

const a = () => { return new Promise(resolve => { setTimeout(() => { console.log(1) resolve() }, 1000) })}const b = () => console.log(2)//a().then(() => b())const fun1 = async () => { await a(); //async내 사용 필 b();}fun1();

const a = () => { return new Promise(resolve => { setTimeout(() => { console.log(1) resolve() }, 1000) })}const b = () => console.log(2)a().then(() => { b() } )//f1,2,3는 new Promise return 하는 함수f1() .then(f2).then(f3).then(f4).then(() => console.log("ok"))

문자,숫자,불린,null,객체,배열만 사용문자는 큰따옴표만 사용후행쉼표 불가.json확장자 사용 //import하여 사용,하나의 데이타만JSON.stringify()//JSON.parse()