<header>
<h1>For Brackets Hell Check</h1>
</header>
<body>
<script>
const line = prompt();
const bracketsStack = [];
const openBrackets = ["[", "(", "{"];
const closeBrackets = ["]", ")", "}"];
let i = 0;
for (let character of line) {
//не обращайте внимания на символы, кроме трех видов скобок
if (openBrackets.includes(character))
bracketsStack.push(character);
else {
idx = closeBrackets.indexOf(character);
if (idx >= 0) {
if (bracketsStack.length == 0 || bracketsStack.pop() != openBrackets[idx]) {
alert("Wrong brackets consistency in position: " + i)
break; //оператор break прерывает цикл преждевременно
}
}
}
i++;
}
</script>
</body>