Sha256: 98f3368a9e9cefa6247b7429682558ec2dd3adb2a930f859b77ca4743516f76d
Contents?: true
Size: 886 Bytes
Versions: 264
Compression:
Stored size: 886 Bytes
Contents
var baseGetTag = require('./_baseGetTag'),
isObjectLike = require('./isObjectLike');
/** `Object#toString` result references. */
var numberTag = '[object Number]';
/**
* 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 `_.isFinite` method.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a number, else `false`.
* @example
*
* _.isNumber(3);
* // => true
*
* _.isNumber(Number.MIN_VALUE);
* // => true
*
* _.isNumber(Infinity);
* // => true
*
* _.isNumber('3');
* // => false
*/
function isNumber(value) {
return typeof value == 'number' ||
(isObjectLike(value) && baseGetTag(value) == numberTag);
}
module.exports = isNumber;
Version data entries
264 entries across 262 versions & 29 rubygems