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c5a25665e0
* bug: update edge case for empty array * bug: add edge case for empty arrays * feat: add test case for empty array --------- Co-authored-by: Ridge Kimani <ridgekimani@gmail.com>
23 lines
713 B
JavaScript
23 lines
713 B
JavaScript
/**
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* @function abs
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* @description This script will find the absolute value of a number.
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* @param {number} num - The input integer
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* @return {number} - Absolute number of num.
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* @see https://en.wikipedia.org/wiki/Absolute_value
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* @example abs(-10) = 10
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* @example abs(50) = 50
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* @example abs(0) = 0
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*/
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const abs = (num) => {
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const validNumber = +num // converted to number, also can use - Number(num)
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if (Number.isNaN(validNumber) || typeof num === 'object') {
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throw new TypeError('Argument is NaN - Not a Number')
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}
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return validNumber < 0 ? -validNumber : validNumber // if number is less than zero mean negative then it converted to positive. i.e -> n = -2 = -(-2) = 2
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}
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export { abs }
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