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10 changes: 10 additions & 0 deletions js-core/homeworks/homework-15/index.html
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script src="src/main.js"></script>
</body>
</html>
76 changes: 76 additions & 0 deletions js-core/homeworks/homework-15/src/main.js
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/*
TASK 0
Проверьте что строка содержит все символы от "a" до "z"
solution("wyyga") // false
solution("qwertyuioplkjhgfdsazxcvbnm") // true
solution("ejuxggfsts") // false
solution("qpwoeirutyalskdjfhgmznxbcv") // true
solution("qqqqqqqqpwoeirutyallskkdjfhgmmznxbcv") // true
solution("0123456789abcdefghijklmnop") // false
*/

const solution = str => {
let tempArr = []
let testABC = /[a-z]/
let arrToStr = str.split('')
arrToStr.forEach(elem => {
let arrElem = testABC.test(elem)
if(arrElem === true){
tempArr.push(arrElem)
return tempArr
}
});
//так как мы знаем что в англ. алфавите 26 букв то
if((arrToStr.length === tempArr.length) && (arrToStr.length >= 26)){
console.log(true)
// return true
}
else{
console.log(false)
// return false
}
}
solution("wyyga") // false
solution("qwertyuioplkjhgfdsazxcvbnm") // true
solution("ejuxggfsts") // false
solution("qpwoeirutyalskdjfhgmznxbcv") // true
solution("qqqqqqqqpwoeirutyallskkdjfhgmmznxbcv") // true
solution("0123456789abcdefghijklmnop") // false
/*
2. Напишите функция которая преобразовывает / открывает
скобки всех вложенных внутри массивов
Необходимо реализовать рекурсивный фызов функции.
Функция должна открывать любое количество
внутренних массивов и объектов
example:
[[1,2],[3,[4]],5, 10] => [1, 2, 3, 4, 5, 10]
[25, 10, [10, [15]]] => [25, 10, 10, 15]
[1, [2, [ {a: "b", c: 'd' }, { c: [1, 2, 5] } ] ] ] => [1, 2, {a: "b"}]
*/

//#1 arr == [...] flattenedArray = [1] + flatten = [2, [{a: "b"}, { c: 'd' }]]
//#2 arr == [2, [ {a: "b"}, { c: 'd' } ] ] flattenedArray = [2] + flatten == [{a: "b"}, { c: 'd' }]
//#3 arr == [ {a: "b"}, { c: 'd' } ] flattenedArray = [{a: "b"}, { c: 'd' }]
//#
const flatten = arr => {
if(Array.isArray(arr)){
return arr.reduce(function(newArr, elem){
return newArr.concat(flatten(elem))
}, [])
}
return arr
};



console.log(flatten([[1,2],[3,[4]],5, 10]));
console.log(flatten([25, 10, [10, [15]]]));
console.log(flatten([1, [2, [ {a: "b", c: 'd' }, { c: [1, 2, 5] } ] ] ]));

/*
Виртуализировать таблицу, сделать рендер всей
таблицы через JavaScript.
Второй макет.
https://github.com/aleksandra-maslennikova/telephone-book/blob/master/index.html
Выглядеть должно так же: https://aleksandra-maslennikova.github.io/telephone-book/index.html
*/