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homework4 done

holevchuk.evgeny 1 year ago
parent
4abc71c733
commit
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17 changed files with 273 additions and 0 deletions
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  1. 12 0
      hw04/10_progression_sum.js
  2. 12 0
      hw04/11_chess_one_line.js
  3. 8 0
      hw04/12_numbers.js
  4. 12 0
      hw04/13_chess.js
  5. 7 0
      hw04/14_cubes.js
  6. 12 0
      hw04/15_multiply_table.js
  7. 25 0
      hw04/16_matrix_to_html_table.html
  8. 25 0
      hw04/16_matrix_to_html_table.js
  9. 62 0
      hw04/1_html_tree.js
  10. 25 0
      hw04/2_declarative_fields.js
  11. 33 0
      hw04/3_object_links.js
  12. 5 0
      hw04/4_imperative_array_fill_3.js
  13. 4 0
      hw04/5_while_confirm.js
  14. 10 0
      hw04/6_array_fill.js
  15. 10 0
      hw04/7_array_fill_nopush.js
  16. 10 0
      hw04/8_infinite_probability.js
  17. 1 0
      hw04/9_empty_loop.js

+ 12 - 0
hw04/10_progression_sum.js
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@@ -0,0 +1,12 @@
 
+let sum = 0;

+let start = 1

+let end = 10;

+let step = 3;

+let lastMemberNumber = start + step * (end - 1); // вычисляем последний член арифметической прогрессии от 'start' до 'end' c шагом 'step' = 28

+

+for (let i = start; i <= lastMemberNumber; i+=step) {

+	console.log(i); // члены арифметической прогрессии прогрессии - 1, 4, 7, 10, 13, 16, 19, 22, 25, 28

+	sum += i;

+}

+

+console.log(sum); // сумма арифметической прогрессии от 'start' до 'end' c шагом 'step' = 145

+ 12 - 0
hw04/11_chess_one_line.js
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@@ -0,0 +1,12 @@
 
+let strSpace = ' ';

+let strHash = '#';

+let strResult = '';

+let strHashLength = 5;

+let strSpaceLength = 6;

+

+for (let i = 1, j = 1; i <= strHashLength || j <= strSpaceLength; i++, j++) {

+	if(j <= strSpaceLength) strResult += `${strSpace}`;

+	if(i <= strHashLength) strResult += `${strHash}`;

+}

+

+console.log(`"${strResult}"`);

+ 8 - 0
hw04/12_numbers.js
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@@ -0,0 +1,8 @@
 
+let str = '';

+for (let i = 0; i < 10; i++) {

+	str += '\n';

+	for (let i = 0; i < 10; i++) {

+		str += i;

+	}

+}

+console.log(str);

+ 12 - 0
hw04/13_chess.js
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@@ -0,0 +1,12 @@
 
+let str = '';

+let pattern = '.#';

+const rows = 10;

+const columns = 6;

+

+for (let i = 0; i < rows; i++) {

+	str += '\n';

+	for (let j = 0; j < columns; j++) {

+		i % 2 ? str += pattern.split('').reverse().join('') : str += pattern;

+	}

+}

+console.log(str);

+ 7 - 0
hw04/14_cubes.js
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@@ -0,0 +1,7 @@
 
+let arr = [];

+

+for (let i = 0; i <= 10; i++) {

+	arr.push(Math.pow(i, 3));

+}

+

+console.log(arr);

+ 12 - 0
hw04/15_multiply_table.js
View File 

@@ -0,0 +1,12 @@
 
+let multiplyTable = [];

+

+for (let i = 1; i <= 10; i++) {

+	multiplyTable[i] = [];

+

+	for (let j = 1; j <= 10; j++) {

+		multiplyTable[i][j] = j * i;

+	}

+}

+

+console.log(multiplyTable[5][6]); // 30

+console.log(multiplyTable[7][2]); // 14

+ 25 - 0
hw04/16_matrix_to_html_table.html
View File 

@@ -0,0 +1,25 @@
 
+<!DOCTYPE html>

+<html lang="en">

+<head>

+	<meta charset="UTF-8">

+	<title>Title</title>

+	<style>

+		table {

+			width: 400px;

+			height: 400px;

+			border: 1px solid red;

+			text-align: center;

+			border-collapse: collapse;

+			table-layout: fixed;

+		}

+

+        td {

+            border: 1px solid red;

+        }

+	</style>

+</head>

+<body>

+

+<script src="16_matrix_to_html_table.js"></script>

+</body>

+</html>

+ 25 - 0
hw04/16_matrix_to_html_table.js
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@@ -0,0 +1,25 @@
 
+let multiplyTable = [];

+

+for (let i = 1; i <= 10; i++) {

+	multiplyTable[i] = [];

+

+	for (let j = 1; j <= 10; j++) {

+		multiplyTable[i][j] = j * i;

+	}

+}

+

+const htmlTable = (arr) => {

+	let result = "<table>";

+	for(let i = 1; i < arr.length; i++) {

+		result += "<tr>";

+		for(let j = 1; j < arr[i].length; j++){

+			result += `<td>${arr[i][j]}</td>`;

+		}

+		result += "</tr>";

+	}

+	result += "</table>";

+

+	return result;

+}

+

+document.querySelector('body').insertAdjacentHTML('beforeend', htmlTable(multiplyTable));

+ 62 - 0
hw04/1_html_tree.js
View File 

@@ -0,0 +1,62 @@
 
+let body = {

+	tagName: 'body',

+	paired: true,

+	children: [

+		{

+			tagName: 'div',

+			paired: true,

+			children: [

+				{

+					tagName: 'span',

+					paired: true,

+					content: 'Enter a data please:'

+				},

+				{

+					tagName: 'br',

+					paired: false,

+				},

+				{

+					tagName: 'input',

+					paired: false,

+					attrs: {

+						id: 'name',

+						type: 'text'

+					}

+				},

+				{

+					tagName: 'input',

+					paired: false,

+					attrs: {

+						id: 'surname',

+						type: 'text'

+					}

+				}

+			]

+		},

+		{

+			tagName: 'div',

+			paired: true,

+			children: [

+				{

+					tagName: 'button',

+					paired: true,

+					attrs: {

+						id: 'ok'

+					},

+					content: 'OK'

+				},

+				{

+					tagName: 'button',

+					paired: true,

+					attrs: {

+						id: 'cancel'

+					},

+					content: 'Cancel'

+				}

+			]

+		}

+	]

+}

+

+alert(body.children[1].children[1].content);

+alert(body.children[0].children[3].attrs.id);

+ 25 - 0
hw04/2_declarative_fields.js
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@@ -0,0 +1,25 @@
 
+var notebook = {

+	brand: prompt('Enter a notebook brand'),

+	type:  prompt('Enter a notebook type'),

+	model: prompt('Enter a notebook model'),

+	ram: +prompt('Enter a notebook ram amount'),

+	size: +prompt('Enter a notebook size'),

+	weight: +prompt('Enter a notebook weight'),

+	resolution: {

+		width: +prompt('Enter a notebook resolution width'),

+		height: +prompt('Enter a notebook resolution height'),

+	},

+};

+

+var phone = {

+	brand: prompt('Enter phone brand'),

+	model: prompt('Enter phone model'),

+	ram: +prompt('Enter phone ram amount'),

+	color: prompt('Enter phone color'),

+};

+

+var person = {

+	name: prompt('Enter person name'),

+	surname: prompt('Enter person surname'),

+	married: confirm('Does person married?'),

+}

+ 33 - 0
hw04/3_object_links.js
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@@ -0,0 +1,33 @@
 
+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;

+

+person.smartphone.owner = person;

+person.laptop.owner = person;

+

+console.log(person.smartphone.owner.laptop.owner.smartphone == person.smartphone) // true

+ 5 - 0
hw04/4_imperative_array_fill_3.js
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@@ -0,0 +1,5 @@
 
+let arr = [];

+

+arr.push(prompt('Фамилия'), prompt('Имя'), prompt('Отчество'));

+

+console.log(arr);

+ 4 - 0
hw04/5_while_confirm.js
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@@ -0,0 +1,4 @@
 
+while (!confirm('Прервать цыкл?')) {

+	alert('Еще в цыкле');

+}

+alert('Вышли из цыкла');

+ 10 - 0
hw04/6_array_fill.js
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@@ -0,0 +1,10 @@
 
+let arr = [];

+let index = 0;

+

+while (true) {

+	arr.push(prompt('Напишите елемент масива'));

+	if(arr[index] === null) {

+		break;

+	}

+	index++;

+}

+ 10 - 0
hw04/7_array_fill_nopush.js
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@@ -0,0 +1,10 @@
 
+let arr = [];

+let index = 0;

+

+while (true) {

+	arr[index] = prompt('Напишите елемент масива');

+	if(arr[index] === null) {

+		break;

+	}

+	index++;

+}

+ 10 - 0
hw04/8_infinite_probability.js
View File 

@@ -0,0 +1,10 @@
 
+let index = 1;

+

+while (true) {

+	if(Math.random() > 0.9) {

+		break;

+	}

+	index++;

+}

+

+alert(index);

+ 1 - 0
hw04/9_empty_loop.js
View File 

@@ -0,0 +1 @@
 
+while (prompt("Для продолжкния цыкла нажмите 'Отмена'") !== "") {}