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+//Task html tree
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+// let body = {
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+// tagName: 'body',
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+// subTages: [
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+// {
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+// tagName: 'div',
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+// subTages: [
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+// {
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+// tagName: 'span',
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+// text: 'Enter a data please:',
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+// },
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+// {
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+// tagName: 'br',
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+// },
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+// {
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+// tagName: 'input',
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+// attrs: {
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+// type: 'text',
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+// id: 'name',
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+// }
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+// },
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+// {tagName: 'input',
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+// attrs: {
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+// type: 'text',
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+// id: 'surname',
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+// }
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+// },
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+// ],
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+// },
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+// {tagName: 'div',
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+// subTages: [
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+// {tagName: 'button',
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+// attrs: {
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+// id:'ok',
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+// },
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+// text: 'OK',
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+// },
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+// {
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+// tagName: 'button',
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+// attrs: {
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+// id: 'cancel',
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+// },
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+// text: 'Cancel',
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+// }
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+// ]
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+// }
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+// ]
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+// }
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+// console.log(body.subTages[1].subTages[1].text)
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+
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+// console.log(body.subTages[1].subTages[1].attrs['id'])
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+
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+//Task declarative fields
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+// var notebook = {
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+// brand: prompt('Enter notebook-brand'),
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+// type: prompt('Enter notebook-type'),
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+// model: prompt('Enter notebook-model'),
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+// ram: prompt('Enter notebook-ram'),
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+// size: prompt('Enter notebook-size'),
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+// weight: prompt('Enter notebook-weight'),
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+// resolution: {
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+// width: prompt('Enter notebook-resolution-width'),
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+// height: prompt('Enter notebook-resolution-height'),
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+// },
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+// };
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+
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+// var phone = {
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+// brand: prompt('Enter phone-brand'),
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+// model: prompt('Enter phone-model'),
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+// ram: prompt('Enter phone-ram'),
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+// color: prompt('Enter phone-color'),
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+// };
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+
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+// var person = {
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+// name: prompt('Enter your name'),
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+// surname: prompt('Enter ypur surname'),
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+// married: confirm('Are you married?'),
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+// };
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+
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+
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+//Task object links
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+// var notebook = {
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+// brand: "HP",
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+// type: "440 G4",
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+// model: "Y7Z75EA",
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+// ram: 4,
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+// size: "14",
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+// weight: 1.8,
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+// resolution: {
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+// width: 1920,
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+// height: 1080,
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+// },
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+// };
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+
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+// var phone = {
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+// brand: "meizu",
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+// model: "m2",
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+// ram: 2,
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+// color: "black",
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+// };
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+
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+// var person = {
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+// name: "Donald",
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+// surname: "Trump",
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+// married: true,
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+// };
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+
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+
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+// person.smartphone = phone;
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+// person.laptop = notebook;
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+// notebook.owner= person;
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+// phone.owner = person;
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+
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+// console.log(person.smartphone.owner.laptop.owner.smartphone == person.smartphone);
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+
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+
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+
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+//Task imperative array fill 3
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+// arr = [];
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+// arr[0] = prompt('Enter 1 index');
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+// arr[1] = prompt('Enter 2 index');
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+// arr[2] = prompt('Enter 3 index');
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+// console.log(arr);
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+
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+
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+
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+//Task while confirm
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+// for (let i = 0; !confirm(''); i++) {
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+// confirm('');
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+// };
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+
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+
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+//Task array fill
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+// arr = [];
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+// let index = prompt('');
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+// while (index) {
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+// arr.push(index);
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+// index = prompt('');
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+// };
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+// console.log(arr);
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+
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+
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+
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+//Task array fill nopush
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+// arr = [];
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+// let index = prompt('');
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+// while (index) {
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+// arr[arr.length] = index;
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+// index = prompt('');
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+// };
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+// console.log(arr);
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+
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+
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+//Task infinite probability
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+// debugger;
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+// let countIteration = 0;
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+// while (true) {
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+// countIteration++;
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+// let z = Math.random();
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+// if ( z > 0.9) {
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+// break;
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+// };
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+// };
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+// console.log(countIteration);
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+
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+
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+//Task empty loop
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+// while (prompt('') == null) {
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+
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+// };
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+
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+
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+
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+//Task progression sum
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+//Подсчитать сумму арифметической прогрессии от 1 до N c шагом 3 (1,4,7....) используя цикл for.
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+// let sum = 1;
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+// for (let i = 0; i<10; i++) {
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+// sum += 3;
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+// console.log(sum);
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+// };
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+// console.log(sum);
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+
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+
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+//Task chess one line
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+// let str = '';
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+// let lengthStr = prompt('enter lengthStr');
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+// for (let i = 1; i<=lengthStr; i++) {
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+// str = str + '#' + ' ';
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+// };
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+// console.log(str);
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+
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+
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+//Task numbers
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+// let str ="";
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+// let n = '\n';
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+// for (let i = 0; i < 10; i++) {
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+// for (let q = 0; q < 10; q++) {
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+// str += q;
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+// }
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+// str += n;
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+// };
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+// console.log(str)
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+
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+
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+//Task chess
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+// let str ="";
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+// let n = '\n';
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+// let point = '.';
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+// let shtrih = '#';
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+// let widthChess = 10;
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+// let heightChess = 10;
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+
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+// for (let i = 1; i <= heightChess; i++) {
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+
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+// if (i % 2 == 00) {
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+// point = '#';
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+// shtrih = '.';
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+// };
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+// if (i % 2 !==0) {
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+// point = '.';
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+// shtrih = '#';
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+// };
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+
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+// for (let q = 1; q <= widthChess; q++) {
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+// str += point + shtrih;
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+// };
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+// str += n;
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+// };
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+// console.log(str)
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+
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+
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+//Task cubes
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+//debugger;
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+// let arr = [];
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+
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+// for (let i = 0; i < 10; i++) {
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+// arr[i] = i**3;
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+// };
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+// console.log(arr);
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+
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+
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+//Task multiply table
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+// let arr = [];
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+
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+// for (let i = 0; i < 10; i ++) {
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+// arr[i] = [];
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+// for (let q = 0; q < 10; q ++ ) {
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+// arr[i][q] = i * q;
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+// };
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+// };
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+
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+// console.log(arr);
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+
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+
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+
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+//Task matrix to html table
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+//const table = '<table>';
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+// const tr = '<tr>';
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+// const th = '<th>';
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+// let str = '<table>';
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+
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+// for (let i = 0; i < 10; i ++) {
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+// str += tr;
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+// for (let q = 0; q < 10; q ++ ) {
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+// let multiplication = `${i} x ${q} = ${i * q}`;
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+// str += th + multiplication + '</th>';
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+// };
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+// str += '</tr>';
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+// };
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+
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+// document.write(str);
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+
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+
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+// Task Задание на синий пояс: Треугольник
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+// let str ="";
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+// let n = '\n';
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+// let point = '.';
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+// let shtrih = '#';
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+// let widthChess = 10;
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+// let heightChess = 5;
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+
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+// for (let i = 0; i <= heightChess; i++) {
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+
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+// let center = Math.floor(widthChess/2); console.log(center);
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+
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+// for (let q = 0; q <= widthChess; q++) {
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+
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+// if (q < (center - i)) {
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+// str += point;
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+// };
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+// if (((center - i) <= q) && (q <=(center + i))) {
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+// str += shtrih;
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+// };
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+// if (q > (center + i)) {
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+// str += point;
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+// };
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+// };
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+
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+// str += n;
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+// };
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+// console.log(str);
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+
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+
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+//Task Задание на черный пояс: Электронная гадалка
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+
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+let history = [1, 1, 1, 1];
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+let predictArray = [];
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+
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+for( let i = 0; i < 2; i++) {
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+ predictArray[i] = [];
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+ for (let q = 0; q < 2; q++) {
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+ predictArray[i][q] = [];
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+ for (let w = 0; w < 2; w++) {
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+ predictArray[i][q][w] = [];
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+ for (let r = 0; r < 2; r++) {
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+ predictArray[i][q][w][r] = -1;
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+ };
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+ };
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+ };
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+};
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+
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+let numberSoothsayer = -1;
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+let numberUse = 1;
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+for (let i = 0; numberUse !== null; i++) {
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+ numberUse = prompt('Enter the number 1 or 0');
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+ numberSoothsayer = predictArray[history[0]][history[1]][history[2]][history[3]];
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+ predictArray[history[0]][history[1]][history[2]][history[3]] = numberUse;
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+ history.shift();
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+ history.push(numberUse);
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+ let predict = Math.round( Math.random() );
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+
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+ if (numberSoothsayer == -1) {
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+ console.log(predict);
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+
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+ if (numberUse == predict) {
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+ alert('you did not guess right');
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+ };
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+ if ((numberUse != predict) && (numberUse !== null)) {
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+ alert('you guessed right');
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+ };
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+ if (numberUse === null) {
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+ alert('goodbye');
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+ };
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+ };
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+
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+ if (numberSoothsayer != -1) {
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+
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+ if (numberSoothsayer == numberUse) {
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+ alert('you did not guess right');
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+ };
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+ if ((numberSoothsayer != numberUse) && (numberUse !== null)) {
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+ alert('you guessed right');
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+ };
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+ };
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+};
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+
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