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create notion from lesson #1

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02fc83a
create notion from lesson
legogoUA Mar 12, 2024
d15457f
add completed HomeWork
legogoUA Mar 12, 2024
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2 changes: 1 addition & 1 deletion index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,6 @@
<body>
<button id="start">Start</button>
<button id="stop">Stop</button>
<script src="./js/index.js"></script>
<script src="./js/HomeWork.js"></script>
</body>
</html>
38 changes: 38 additions & 0 deletions js/HomeWork.js
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@@ -0,0 +1,38 @@
//setTimeout
function printNumber(from, to) {
let current = from;

setTimeout(function go() {
alert(current);
if (current < to) {
setTimeout(go, 1000);
}

current++;
}, 1000);
}

// printNumber(1, 12);

//setInterval
function printNumberI(from, to) {
let current = from;

let timerId = setInterval(function() {
alert(current);
if (current === to) {
clearInterval(timerId);
}
current++;
}, 1000);
}

// printNumberI(5, 10);


// Promise
function delay(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}

delay(3000).then(() => alert('виконалось через 3 секунди'));
222 changes: 123 additions & 99 deletions js/index.js
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Original file line number Diff line number Diff line change
@@ -1,135 +1,159 @@
// console.log("1");
// first synchronous code
// second asynchronous code
console.log("1");

// setTimeout(() => (console.log("2"), 1));
setTimeout(() => (console.log("2"), 1));

// console.log("3");
// console.log("4");
console.log("3");
console.log("4");

// const hello = () => {
// console.log("hello");
// };
// setTimeout(function, time);

// const timeout = setTimeout(hello, 1000);
const hello1 = () => {
console.log("hello");
};

const timeout = setTimeout(hello1, 1000);

// clearTimeout(timeout);

// const hello = () => {
// console.log("hello");
// };
// for example logic ads on video
const hello = () => {
console.log("hello");
};

const setInt = setInterval(hello, 1000);

clearInterval(setInt);

// add buttons to HTML

const startBtn = document.querySelector("#start");
const stoptBtn = document.querySelector("#stop");

// const setInt = setInterval(hello, 1000);
let time = null;

// const startBtn = document.querySelector("#start");
// const stoptBtn = document.querySelector("#stop");
startBtn.addEventListener("click", () => {
time = setInterval(() => {
console.log("123");
}, 1000);
});

// let time = null;
stoptBtn.addEventListener("click", () => {
clearInterval(time);
console.log("stop");
});

// startBtn.addEventListener("click", () => {
// time = setInterval(() => {
// console.log("123");
// }, 1000);
// });
// this
// classic function reference to obj{this}Window
// ()=>{} reference to obj{this}Object
const a = {
classic() {
setTimeout(function () {
console.log(`${this}, classic in object`);
});
},
arr() {
setTimeout(() => {
console.log(`${this}, arr in object`);
});
},
};

// stoptBtn.addEventListener("click", () => {
// clearInterval(time);
// console.log("stop");
// });
a.classic();
a.arr();

// const a = {
// classic() {
// setTimeout(function () {
// console.log(`${this}, classic in obj`);
// });
// },
// arr() {
// setTimeout(() => {
// console.log(`${this}, arr in obj`);
// });
// },
// };
// setTimeout(variable, time 1-4); 1-4 work equally

// a.classic();
// a.arr();
// new Date();
// we can get a lot methods date

// const data = new Date(2022, 4, 1, 10, 10, 0, 0);
// console.log(data);
const data = new Date(2022, 4, 1, 10, 10, 0, 0); // year, month, day = required / time don't required
console.log(data);

// const unixData = new Date(1677452273126);
// console.log(unixData);
const unixData = new Date(1677452273126);
console.log(unixData);

// const newUnixDate = Date.now();
// console.log(newUnixDate);
const newUnixDate = Date.now();
console.log(newUnixDate);

const date = new Date();

// console.log(date.getDate());
console.log(date.getDate());

// console.log(date.getMonth());
console.log(date.getMonth());

// console.log(date.getFullYear());
console.log(date.getFullYear());

// const options = {
// weekday: "long",
// year: "numeric",
// month: "long",
// day: "numeric",
// };
// we can find this on Google
const options = {
weekday: "long",
year: "numeric",
month: "long",
day: "numeric",
};

// const ukr = date.toLocaleString("Uk-uk", options);
// console.log(ukr);
const ukr = date.toLocaleString("Uk-uk", options);
console.log(ukr);

/////////
// let prom = new Promise(function (resolve, reject) {
// setTimeout(() => resolve("resolve"), 1000);
// setTimeout(() => reject("reject"), 1000);
// });
// Promise || resolve & reject
// rosolve if OK
// reject if notOK
let prom = new Promise(function (resolve, reject) {
setTimeout(() => resolve("resolve"), 1000);
setTimeout(() => reject("reject"), 1000);
});
// }).catch().then().finally();

// prom.then(
// (resolve) => console.log(resolve),
// (reject) => console.log(reject)
// (resolve) => console.log(resolve),
// (reject) => console.log(reject)
// );

// prom.catch(alert);
prom.catch(alert); // for finding Errors

// prom.finally()
prom.finally(); // for clearing loader or sth

// function load(src) {
// return new Promise(function (resolve, reject) {
// let script = document.createElement("script");
// script.src = src;
function load(src) {
return new Promise(function (resolve, reject) {
let script = document.createElement("script");
script.src = src;

// script.onload = () => resolve(script);
// script.onerror = () => reject(new Error(`Err ${script}`));
script.onload = () => resolve(script);
script.onerror = () => reject(new Error(`Err ${script}`));

// document.head.append(script);
// });
// }
document.head.append(script);
});
}

// let prom = load(
// "https://cdnjs.cloudflare.com/ajax/lodash.js/4.17.11/lodash.js"
// );
let promi = load(
"https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"
);

promi.then((script) => console.log(`Download ${script}`));

promi.catch((error) => console.log(`Error ${error.message}`));

promi.finally(console.log("Finally"));

new Promise(function (resolve, reject) {
setTimeout(() => resolve(2), 1000);
})
.then(function (result) {
console.log(result);
return new Promise((resolve, reject) => {
setTimeout(() => resolve(result + 5), 1000);
});
})
.then(function (result) {
console.log(result);
return new Promise((resolve, reject) => {
setTimeout(() => resolve(result + 5), 1000);
});
})
.then(function (result) {
console.log(result);
});

// prom.then((script) => console.log(`Download ${script}`));

// prom.catch((error) => console.log(`Error ${error.message}`));

// prom.finally(console.log("Finally"));

// new Promise(function (resolve, reject) {
// setTimeout(() => resolve(2), 1000);
// })
// .then(function (result) {
// console.log(result);
// return new Promise((resolve, reject) => {
// setTimeout(() => resolve(result + 5), 1000);
// });
// })
// .then(function (result) {
// console.log(result);
// return new Promise((resolve, reject) => {
// setTimeout(() => resolve(result + 5), 1000);
// });
// })
// .then(function (result) {
// console.log(result);
// });
// Required Promise && this
5 changes: 5 additions & 0 deletions package-lock.json
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19 changes: 19 additions & 0 deletions package.json
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@@ -0,0 +1,19 @@
{
"name": "lesson12",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/legogoUA/Lesson12.git"
},
"author": "",
"license": "ISC",
"bugs": {
"url": "https://github.com/legogoUA/Lesson12/issues"
},
"homepage": "https://github.com/legogoUA/Lesson12#readme"
}