10 lines
313 B
JavaScript
10 lines
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);
|
||
|
}
|