CumulativeList

cumulative.js

 var cumulativeList = [
        {min: 0.01,     max: 9.99,      title: '0.01-9.99'},
        {min: 10,       max: 19.99,     title: '10-19.99'},
        {min: 20,       max: 29.99,     title: '20-39.99'},
        {min: 40,       max: 99.99,     title: '40-99.99'},
        {min: 100,      max: 199.99,    title: '100-199.99'},
        {min: 200,      max: Infinity,  title: '200+'}
    ];
 
    /**
     * returns cumulative attribute by amount
     * @param {number} amount
     * @returns {string}
     */
    var getCumulativeAttributeByAmount = function (amount) {
        var result = null;
        for (var i = 0; i < cumulativeList.length; i += 1) {
            if (cumulativeList[i].min <= amount && cumulativeList[i].max >= amount) {
                result = cumulativeList[i].title;
                break;
            }
        }
        return result;
    };