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469a0e06c8
- Use Number.isFinite() for validation - Throw an error instead of returning a string - Instead of returning a string, return false when divisor === 0 since no numbers are in fact divisible by 0.
15 lines
441 B
JavaScript
15 lines
441 B
JavaScript
// Checks if a number is divisible by another number.
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export const isDivisible = (num1, num2) => {
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if (!Number.isFinite(num1) || !Number.isFinite(num2)) {
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throw new Error('All parameters have to be numbers')
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}
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if (num2 === 0) {
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return false
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}
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return num1 % num2 === 0
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}
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console.log(isDivisible(10, 5)) // returns true
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console.log(isDivisible(123498175, 5)) // returns true
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console.log(isDivisible(99, 5)) // returns false
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