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23 lines
468 B
JavaScript
23 lines
468 B
JavaScript
function is_even_recursion(number)
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{
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if (number < 0)
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{
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number = Math.abs(number);
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}
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if (number===0)
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{
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return true;
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}
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if (number===1)
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{
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return false;
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}
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else
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{
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number = number - 2;
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return is_even_recursion(number);
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}
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}
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console.log(is_even_recursion(234)); //true
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console.log(is_even_recursion(-45)); // false
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console.log(is_even_recursion(-45)); // false
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