Formed in 2009, the Archive Team (not to be confused with the archive.org Archive-It Team) is a rogue archivist collective dedicated to saving copies of rapidly dying or deleted websites for the sake of history and digital heritage. The group is 100% composed of volunteers and interested parties, and has expanded into a large amount of related projects for saving online and digital history.
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| import getTag from './.internal/getTag.js' | |
| import isObjectLike from './isObjectLike.js' | |
| /** | |
| * Checks if `value` is classified as a `Number` primitive or object. | |
| * | |
| * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are | |
| * classified as numbers, use the `Number.isFinite` method. | |
| * | |
| * @since 0.1.0 | |
| * @category Lang | |
| * @param {*} value The value to check. | |
| * @returns {boolean} Returns `true` if `value` is a number, else `false`. | |
| * @see isInteger, toInteger, toNumber | |
| * @example | |
| * | |
| * isNumber(3) | |
| * // => true | |
| * | |
| * isNumber(Number.MIN_VALUE) | |
| * // => true | |
| * | |
| * isNumber(Infinity) | |
| * // => true | |
| * | |
| * isNumber('3') | |
| * // => false | |
| */ | |
| function isNumber(value) { | |
| return typeof value === 'number' || | |
| (isObjectLike(value) && getTag(value) == '[object Number]') | |
| } | |
| export default isNumber |