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szabomarton 2024-10-14 13:15:57 +02:00
parent 6dc5052873
commit 71a97bc404
5 changed files with 104 additions and 0 deletions
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24_10_14/24_10_14 - Frontend.pptx Normal file
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24_10_14/fetch.js Normal file
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let url = "https://jsonplaceholder.typicode.com/users/";
fetch(url)
.then(response => response.json())
.then(data => {
document.getElementById("username").innerHTML += data[2].name;
document.getElementById("email").innerHTML += data[1].email;
})
.catch(data => console.log(data));
// post
let path = "response.json";
fetch(url, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
name: "Példa Péter",
email: "pelda_peter@gmail.com"
}),
}).then(response => response.json()).then(data => console.log(data));
//PUT
fetch(url, {
method: "PUT",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
name: "Példa Péter",
email: "pelda_peter@gmail.com"
}),
}).then(response => response.json()).then(data => console.log(data));

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24_10_14/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="fetch.js" defer></script>
</head>
<body>
<p id="username">Felhasználónév: </p>
<p id="email">Email cím: </p>
</body>
</html>

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24_10_14/promise_exercise.js Normal file
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/*
let mypromise = new Promise((resolve, reject) => {
let istrue = false;
if (istrue){
resolve("resolved");
} else {
reject("rejected");
}
});
mypromise.then((resolve) => {
console.log(`resolved: ${resolve}`);
}).catch((reject) => {
console.log(`rejected: ${reject}`);
});
*/
function elso(value){
return new Promise((resolve) => {
setTimeout(() => {
console.log(value);
resolve(value);
}, 3000);
});
}
function masodik(value){
return new Promise((resolve) => {
setTimeout(() => {
console.log(value);
resolve(value);
}, 2000);
});
}
function harmadik(value){
return new Promise((resolve) => {
setTimeout(() => {
console.log(value);
resolve("Minden lépés teljesítve");
}, 1000);
});
}
function asd(){
elso(1)
.then((value) => masodik((value + 1)))
.then((value) => harmadik((value + 1)))
.then((message) => {console.log(message);});
}
let num = 0;
setTimeout(() => {console.log("Ez az üzenet 3 másodperc után megjelenik.")}, 3000);
let ismetles = setInterval(() => {num++;console.log("Ez az üzenet 3 másodpercenként megjelenik.");}, 3000);
clearInterval(ismetles);

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24_10_14/response.json Normal file
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