14 lines
374 B
JavaScript
14 lines
374 B
JavaScript
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/**
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* Check if the given character code, or the character code at the first
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* character, is decimal.
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*
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* @param {string|number} character
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* @returns {boolean} Whether `character` is a decimal
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*/
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export function isDecimal(character) {
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const code =
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typeof character === 'string' ? character.charCodeAt(0) : character
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return code >= 48 && code <= 57 /* 0-9 */
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}
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