foop
Version:
interfaces that describe their intentions.
28 lines (27 loc) • 2.43 kB
JavaScript
/**
* @desc is not infinity, and not nan, but this parses a float and is slower
* @since 0.0.1
* @version 5.0.0
* @memberOf is
*
* @param {number} n value to check
* @return {boolean}
*
* {@link https://tc39.github.io/ecma262/#sec-isfinite-number emca-isfinite}
* {@link https://github.com/lodash/lodash/blob/master/toFinite.js lodash-to-finite}
* {@link http://stackoverflow.com/questions/18082/validate-decimal-numbers-in-javascript-isnumeric stack-overflow-isnumeric}
* @see {@link emca-isfinite}
* @see {@link stack-overflow-isnumeric}
* @see {@link lodash-to-finite}
* @see is/numberish
* @see is/infinity
*
* @example
* isFinite(100) //=> true
* isFinite('100') //=> true
* isFinite(Infinity) //=> false
*/
module.exports = function isFiniteNumber(n) {
return !isNaN(parseFloat(n)) && isFinite(n)
}
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