within.js
/**
* Whether element is between left & right including
*
* @param {number} a
* @param {number} left
* @param {number} right
*
* @return {Boolean}
*/
'use strict';
module.exports = function(a, left, right){
if (left > right) {
var tmp = left;
left = right;
right = tmp;
}
if (a <= right && a >= left) return true;
return false;
};