math-combination v1.0.3

math-combination(数学组合)

Install

npm i math-combination --save

Usage

var combination = require('math-combination')
var arr = [1, 2, 3]

//Get all conditions that conbine two element of the the arr(different order same condition)
combination.cmn(arr, 2)

//Get all conditions that conbine two element of the the arr(different order same condition and element can repeat)
combination.cmnWithRepetition(arr, 2)

Note

Only support for array of String or Number

See test for more details