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22 lines
437 B
22 lines
437 B
"use strict"; |
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function main(formName) { |
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let result = document.getElementById("result"); |
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let arr = [ |
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[1, 2, 3, [1, 2, 3]], |
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[[[]]], |
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3, |
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]; |
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result.textContent = "Результат: " + countArr(arr); |
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} |
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function countArr(item, level = 0) { |
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if (item instanceof Array) { |
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return (level > 0 ? 1 : 0) + |
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item.map( |
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(value, index) => countArr(value, level + 1) |
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).reduce((a, b) => a + b, 0) |
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} |
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return 0; |
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}
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