isnumber
Version:
A simple test to see if a value is a non-infinite number.
10 lines (9 loc) • 313 B
JavaScript
module.exports = isNumber
/**
* Determine if something is a non-infinite javascript number.
* @param {Number} n A (potential) number to see if it is a number.
* @return {Boolean} True for non-infinite numbers, false for all else.
*/
function isNumber(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}