isFinite.js
811 Bytes
/* Native method references for those with the same name as other `lodash` methods. */
var nativeIsFinite = global.isFinite;
/**
* Checks if `value` is a finite primitive number.
*
* **Note:** This method is based on [`Number.isFinite`](http://ecma-international.org/ecma-262/6.0/#sec-number.isfinite).
*
* @static
* @memberOf _
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
* @example
*
* _.isFinite(10);
* // => true
*
* _.isFinite('10');
* // => false
*
* _.isFinite(true);
* // => false
*
* _.isFinite(Object(10));
* // => false
*
* _.isFinite(Infinity);
* // => false
*/
function isFinite(value) {
return typeof value == 'number' && nativeIsFinite(value);
}
module.exports = isFinite;