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+// --------------------------------html tree---------------------------------------------
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+
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+// let htmlTree = {
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+// tagName : 'body',
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+// subTags : [
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+// {
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+// tagName: 'div',
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+// subTags : [
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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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+// {
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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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+// {
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+// tagName : 'div',
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+// subTags : [
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+// {
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+// tagName : 'button',
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+// text : 'OK',
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+// attrs : {
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+// id : 'ok',
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+// }
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+// },
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+// {
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+// tagName : 'button',
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+// text : 'Cancel',
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+// attrs : {
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+// id : '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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+// }
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+
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+
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+// alert(htmlTree.subTags[1].subTags[1].attrs.id);
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+// alert(htmlTree.subTags[0].subTags[3].attrs.id);
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+
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+// --------------------------------declarative fields---------------------------------------------
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+
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+// var notebook = {
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+// brand: prompt("Enter Brand"),
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+// type: prompt("Enter Type"),
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+// model: prompt("Enter Model"),
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+// ram: +prompt("Enter RAM number"),
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+// size: prompt("Enter Size"),
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+// weight: +prompt("Enter Weight"),
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+// resolution: {
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+// width: +prompt("Enter Width"),
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+// height: +prompt("Enter 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 Brand"),
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+// model: prompt("Enter Model"),
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+// ram: +prompt("Enter RAM number"),
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+// color: prompt("Enter Color"),
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+// };
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+
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+// var person = {
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+// name: prompt("Enter Name"),
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+// surname: prompt("Enter Surname"),
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+// married: confirm("Married?"),
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+// }
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+
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+// person.smartphone = "OnePlus 6t";
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+// person.laptop = "Huawei D15";
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+
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+// notebook.owner = "Sid";
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+
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+// phone.owner = "Sid";
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+
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+// console.log(notebook);
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+// console.log(phone);
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+// console.log(person);
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+
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+// --------------------------------imperative array fill 3---------------------------------------------
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+
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+// let myArr1 = [];
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+
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+// myArr1.push(prompt("Enter element 1"));
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+// myArr1.push(prompt("Enter element 2"));
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+// myArr1.push(prompt("Enter element 3"));
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+
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+// console.log(myArr1);
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+
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+// let myArr2 = [];
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+
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+// for(let i=0; i<3; i++) {
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+// myArr2.push(prompt(`Enter element ${i+1}`)); // До сих пор не понимаю разницу между императивным и декларативным подходами
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+// } // Поэтому написал 2 примера
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+
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+// console.log(myArr2);
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+
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+// --------------------------------while confirm---------------------------------------------
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+
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+// let confirmLoop = false;
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+
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+// while(confirmLoop === false) {
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+// confirmLoop = confirm("Press No to continue loop");
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+// }
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+
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+// --------------------------------array fill---------------------------------------------
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+
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+// let newElement = prompt("Enter new element");
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+// let arrayInLoop = [];
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+
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+// while(newElement != null) {
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+// newElement = prompt("Enter new element");
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+// arrayInLoop.push(newElement);
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+// }
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+
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+// console.log(arrayInLoop);
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+
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+// --------------------------------array fill nopush---------------------------------------------
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+
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+// let newElement = prompt("Enter new element");
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+// let arrayInLoop = [];
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+// let key = 0;
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+
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+// while(newElement != null) {
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+// arrayInLoop[key++] = newElement;
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+// newElement = prompt("Enter new element");
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+// }
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+
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+// console.log(arrayInLoop);
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+
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+// --------------------------------infinite probability---------------------------------------------
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+
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+// let random = Math.random(); // Я могу перенести эту строку над if и удалить в 143 ???
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+// let counter = 1;
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+
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+// while(counter != 0) {
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+// if(random > 0.9) {
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+// break;
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+// }
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+// counter++;
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+// random = Math.random();
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+// }
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+
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+// alert(counter);
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+
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+// --------------------------------empty loop---------------------------------------------
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+
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+// let someText = prompt("Enter some text");
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+
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+// while(someText != null ) {
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+// someText = prompt("Enter some text"); // Не знаю как написать без тела цикла
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+// }
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+
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+// console.log(someText);
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+
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+// --------------------------------progression sum---------------------------------------------
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+
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+// let progressionLenght = +prompt("Enter progression lenght", "Should be a Number");
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+// let progressionTotal = 1;
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+
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+// for(let i=1; i<progressionLenght; i++) {
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+// progressionTotal += 3;
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+// }
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+
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+// console.log(`progressionTotal = ${progressionTotal}`);
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+
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+// --------------------------------chess one line---------------------------------------------
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+
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+// let strLenght = +prompt("Enter string lenght", "Should be a Number");
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+// let str = " ";
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+
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+// for(let i=0; i<Math.floor(strLenght / 2); i++) {
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+// str += " #";
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+// }
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+
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+// if(strLenght % 2) {
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+// str += " ";
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+// }
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+
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+// console.log(str);
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+
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+// --------------------------------numbers---------------------------------------------
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+
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+// let str = '';
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+// let strNum = +prompt("Enter Strings number", "Should be a number");
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+
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+// for(let i=0; i<strNum; i++) {
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+// for(let j=0; j<10; j++) {
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+// str += j;
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+// }
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+// str = str + '\n';
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+// }
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+
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+// console.log(str);
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+
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+// --------------------------------cubes---------------------------------------------
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+
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+// let arr = [];
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+// let arrLenght = +prompt("Enter Array lenght");
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+
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+// for(let i=0; i<arrLenght; i++) {
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+// arr.push(i * i);
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+// }
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+
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+// console.log(arr);
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+
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+// --------------------------------black task---------------------------------------------
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+
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+// let forcast = Math.random();
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+// if(forcast < 0.5) {
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+// forcast = 0
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+// } else {
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+// forcast = 1
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+// }
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+
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+// console.log(`Gipsy says ${forcast}`);
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+
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+// let userNumber = +prompt("Enter o or 1", "0 or 1"); // Нужно починить
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+
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+// // while(userNumber != 0 || userNumber != 1) {
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+// // alert("You need to enter 0 or 1");
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+// // userNumber = +prompt("Enter o or 1", "0 or 1");
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+// // }
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+
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+// let history = [1, 1, 1, 1];
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+
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+// let resume = true;
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+
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+// while(resume === true) {
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+// history.push(userNumber);
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+// history.shift();
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+// resume = confirm("Do you want to continue?");
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+// }
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+
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+// console.log(history);
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