$ npm install oddoreven
const oddeven = require('oddoreven');
//isodd() and iseven() functions take integer as input and returns boolean
oddeven.iseven(3) //returns false
oddeven.isodd(3) //returns true
//pickodd() and pickeven() functions takes array as input and returns array
oddeven.pickodd([1,2,3,4,5,6,7,8,9]) // returns [1,3,5,7,9]
oddeven.pickeven([1,2,3,4,5,6,7,8,9]) // returns [2,4,6,8]