// htmlTree()
function htmlTree() {
let body = {
tagName: 'body',
attrs: {},
children: [
{ tagName: 'div',
attrs: {},
children: [
{ tagName: 'span',
attrs: {},
children: 'Enter a data please'
},
{ tagName: 'br',
attrs: {}
},
{ tagName: 'input',
attrs: {
type: 'text',
id: 'name'
}
},
{ tagName: 'input',
attrs: {
type: 'text',
id: 'surname'
}
}
]
},
{ tagName: 'div',
attrs: {},
children: [
{ tagName: 'button',
attrs: {
id: 'ok'
},
children: 'OK'
},
{ tagName: 'button',
attrs: {
id: 'cansel'
},
children: 'Cancel'
}
]
}
]
}
console.log(body.children[1].children[1].children)
console.log(body.children[0].children[3].attrs.id)
}
// declarativeFields()
function declarativeFields() {
var notebook = {
brand: prompt("Enter a brand",""),
type: prompt("Enter a type",""),
model: prompt("Enter a model",""),
ram: +prompt("Enter amount of ram (gb)",""),
size: prompt("Enter a size of screen (inch)",""),
weight: +prompt("Enter a weight (kg)",""),
resolution: {
width: +prompt("Enter a resolution width (px)",""),
height: +prompt("Enter a resolution height (px)",""),
},
};
console.log(notebook);
var phone = {
brand: prompt("Enter a brand",""),
model: prompt("Enter a model",""),
ram: +prompt("Enter amount of ram (gb)",""),
color: prompt("Enter a color",""),
};
console.log(phone);
var person = {
name: prompt("Enter a name",""),
surname: prompt("Enter a surname",""),
married: confirm("Is person married?",""),
}
console.log(person);
}
// tableMult()
function tableMult() {
let str = '
'
for (let rowIndex=1; rowIndex<10; rowIndex++) {
str += ''
for (let j=1; j<10; j++) {
str += `${rowIndex*j} | `
}
str += '
'
}
str += '
'
document.write(str)
}
// contArr()
function contArr() {
let inputArr = [1,2,3,4,5,6,'qqq',true]
let newElement = 0
for (let i=0; i${key} | ${value} | \n`
}
str += ''
document.write(str)
}
// objectLinks()
function objectLinks() {
var notebook = {
brand: "HP",
type: "440 G4",
model: "Y7Z75EA",
ram: 4,
size: "14",
weight: 1.8,
resolution: {
width: 1920,
height: 1080,
},
};
var phone = {
brand: "meizu",
model: "m2",
ram: 2,
color: "black",
};
var person = {
name: "Donald",
surname: "Trump",
married: true,
};
person.smartphone = phone;
person.laptop = notebook;
phone.owner = person;
notebook.owner = person;
console.log(person.smartphone.owner.laptop.owner.smartphone == person.smartphone);
}
// imperativeArrayFill3()
function imperativeArrayFill3() {
let arr = [];
arr[0] = prompt("Вводи элемент массива","")
arr[1] = prompt("Вводи элемент массива","")
arr[2] = prompt("Вводи элемент массива","")
console.log(arr);
}
// whileConfirm()
function whileConfirm() {
let a = true;
while (a) {
a = confirm('Продолжить цикл?')
}
}
// arrayFill()
function arrayFill() {
let arr = [];
let res = null;
do {
res = prompt("Вводи элемент массива","");
if (res !== null) {
arr.push(res);
}
} while (res !== null)
console.log(arr);
}
// arrayFillNopush()
function arrayFillNopush() {
let arr = [];
let res = null;
let i = 0;
do {
res = prompt("Вводи элемент массива","");
if (res !== null) {
arr[i] = res;
}
i++;
} while (res !== null)
console.log(arr);
}
// infiniteProbability()
function infiniteProbability() {
let i = 0;
while (true) {
if (Math.random() > 0.9) {
break;
}
i++;
}
console.log(`Количество итераций: ${i}`);
}
// emptyLoop()
function emptyLoop() {
for (let i = 0; i !== null; i = prompt("Продолжить цикл?","")) {}
}
// progressionSum()
function progressionSum() {
let n = Number(prompt("До какого числа продолжать прогрессию?",""));
let sum = 0;
for (let i = 1; i <= n; i += 3) {
sum += i;
}
console.log(sum);
}
// chessOneLine()
function chessOneLine() {
let size = +prompt("Введите длинну строки","");
let str = '';
for (let i = 0; i < size; i++) {
if (i % 2 === 0) {
str += ' ';
} else {
str += '#';
}
}
console.log(str);
}
// numbers()
function numbers() {
let str = ''
for (let i=0; i < 10; i++) {
for (let j=0; j < 10; j++) {
str += `${j}`
}
str += '\n'
}
console.log(str)
}
// chess()
function chess() {
let size = +prompt("Введите размер поля","")
let str = ''
let counter = 0
while (counter < size) {
counter++
if (counter % 2 === 0) {
for (let counter2 = 0; counter2 < size; counter2++) {
if (counter2 % 2 === 0) {
str += '.'
} else {
str += '#'
}
}
str += '\n'
} else {
for (let counter3 = 0; counter3 < size; counter3++) {
if (counter3 % 2 === 0) {
str += '#'
} else {
str += '.'
}
}
str += '\n'
}
}
console.log(str)
}
// cubes()
function cubes() {
let arr = []
let inputNumber = +prompt("Введите длинну массива","")
let i = 0
while (i < inputNumber) {
let element = (i ** 3)
arr.push(element)
i++
}
console.log(arr)
}
// multiplyTable()
function multiplyTable() {
let arr = []
for (let i=0; i < 10; i++) {
arr[i] = []
for (let j=0; j < 10; j++) {
arr[i].push(i*j)
}
}
console.log(arr)
return arr
}
// matrixToHtmlTable()
function matrixToHtmlTable() {
let inputArr = multiplyTable()
let str = ''
for (let i = 0; i < inputArr.length; i++) {
str += ''
for (let j = 0; j < inputArr[i].length; j++) {
str += `${inputArr[i][j]} | `
}
str += '
'
}
str += '
'
document.write(str)
}
// triangle()
function triangle() {
let height = +prompt("Введите высоту треугольника","")
let width = (height * 2 - 1)
let arr = []
let str = ''
for (let colCounter = 0; colCounter < width; colCounter++) {
arr[colCounter] = []
for (rowCounter = 0; rowCounter < height; rowCounter++) {
if (colCounter < height) {
if (rowCounter <= colCounter) {
arr[colCounter].push('#')
} else {
arr[colCounter].push('.')
}
} else {
if (rowCounter < (width - colCounter)) {
arr[colCounter].push('#')
} else {
arr[colCounter].push('.')
}
}
}
}
// console.log(arr)
for (let j = 1; j <= arr[0].length; j++) {
for (let i = 0; i < arr.length; i++) {
str += `${arr[i][arr[i].length - j]}`
}
str += '\n'
}
console.log(str)
}
// fortuneTeller()
function fortuneTeller() {
let history = [1,1,1,1]
let predictArray = [[[[],[]],[[],[]]],[[[],[]],[[],[]]]]
let loop = true;
while (loop) {
let compOutput = null
if (predictArray[history[0]][history[1]][history[2]][history[3]] || predictArray[history[0]][history[1]][history[2]][history[3]] === 0) {
compOutput = predictArray[history[0]][history[1]][history[2]][history[3]]
console.log(compOutput)
} else {
compOutput = Math.floor(Math.random()*2)
console.log(compOutput)
}
let userInput = +confirm('Нажмите ОК, если выбираете 1\nНажмите Отмена, если выбираете 0')
// console.log(userInput)
predictArray[history[0]][history[1]][history[2]][history[3]] = userInput
// console.log(predictArray)
history.push(userInput)
history.shift()
// console.log(history)
loop = confirm('Еще?')
}
}