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part of homework 18 #20

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54 changes: 54 additions & 0 deletions js-core/homeworks/homework-18/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Homework-18</title>
<style>
td {
border: 1px solid #000000;
width: 50px;
height: 50px;
}
</style>
</head>
<body>
<table>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
<script src="src/main.js"></script>
</body>
</html>
76 changes: 76 additions & 0 deletions js-core/homeworks/homework-18/src/main.js
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/* EASY
Алгоритмы !
TASK 0
Вам дано предложение, верните массив из слов,
которые длинее чем средняя длина всех слов.
Слова разделены пробелами, если в предложении запятые,они должны быть пропущены
solution(["This is a sample string"]) expected ["This" "sample" "string"]
solution(["Some another sample"]) expected ["another" "sample"]
solution(["Do, do, do, do... do it!"]) expected []
*/

function removePunctuation(string) {
return string.replace(/[.,!?]/g, "")

}

function solution (arr) {
let wordsArr = arr[0].split(' ').map(word => {
return removePunctuation(word)
});
let lengthsArr = wordsArr.map(word => {
return word.length
});
let sumLengthsArr = 0;
lengthsArr.forEach(length => {
return sumLengthsArr += length;
});
let averageLength = sumLengthsArr/lengthsArr.length;
let res = wordsArr.filter(word => {
if(word.length > averageLength) {
return word;
}
});
console.log(res);
}

solution(["This is a sample string"]);
solution(["Some another sample"]);
solution(["Do, do, do, do... do it!"]);


/* TASK 1
Сделайте таблицу 5x5
При клике на элемент, изменяйте цвет у элемента на красный.
Но цвет у элемента должен изменяться пропорционально в другой половине квадрата
Пример 3х3:
[]|[]|[]
[]|[]|[]
[]|[]|[]
кликаем сюда -> []|[]|[]
[]|[]|[]
[]|[]|[x] <- загорается тут
[]|[]|[]
кликаем сюда -> []|[]|[x] <- загорается тут
[]|[]|[x]
*/

/* C делегированием я не смогла сделать */

let table = document.querySelector('table');

// table.addEventListener('click', (event) => {
// if (event.target.tagName === 'TD') {
// }
// });

/* Только присвоением события на каждый элемент*/

let cells = document.querySelectorAll('td');

for (let i = 0; i < cells.length; i++) {
cells[i].addEventListener('click', () => {
let number = cells.length - 1 - i;
cells[number].style.background = 'red';
})
}