util.isNumber()

util.isNumber(object)

Stability: 0 - Deprecated

Returns true if the given "object" is a Number. Otherwise, returns false.

const util = require('util');

util.isNumber(false)
  // false
util.isNumber(Infinity)
  // true
util.isNumber(0)
  // true
util.isNumber(NaN)
  // true

Links:

https://nodejs.org/dist/latest-v5.x/docs/api/util.html#util_util_isnumber_object

doc_Nodejs

2016-04-30 04:43:05

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