JavaScript
var testData = [{"rid":1667,"date":"2014-May-19","date2":"\/Date(1400490000000)\/","score":30.00,"pct":50.000000,"survey":"Store Survey"},{"rid":1784,"date":"10-Jul-2014","date2":"\/Date(1404981720000)\/","score":30.00,"pct":50.000000,"survey":"Store Survey"},{"rid":1810,"date":"2014-Sep-17","date2":"\/Date(1410949560000)\/","score":130.00,"pct":86.666600,"survey":"Short Visit Checklist"},{"rid":1940,"date":"2014-Oct-07","date2":"\/Date(1412697660000)\/","score":110.00,"pct":73.333300,"survey":"Short Visit Checklist"},{"rid":2212,"date":"2014-Nov-05","date2":"\/Date(1415186280000)\/","score":120.00,"pct":80.000000,"survey":"Short Visit Checklist"},{"rid":2568,"date":"2014-Nov-26","date2":"\/Date(1416999480000)\/","score":110.00,"pct":73.333300,"survey":"Short Visit Checklist"},{"rid":2696,"date":"2014-Dec-05","date2":"\/Date(1417787880000)\/","score":140.00,"pct":93.333300,"survey":"Short Visit Checklist"},{"rid":2765,"date":"2014-Dec-12","date2":"\/Date(1418382420000)\/","score":140.00,"pct":93.333300,"survey":"Short Visit Checklist"},{"rid":2825,"date":"2014-Dec-18","date2":"\/Date(1418922120000)\/","score":140.00,"pct":93.333300,"survey":"Short Visit Checklist"},{"rid":3158,"date":"2015-Jan-08","date2":"\/Date(1420719600000)\/","score":130.00,"pct":86.666600,"survey":"Short Visit Checklist"},{"rid":3238,"date":"2015-Jan-19","date2":"\/Date(1421686980000)\/","score":120.00,"pct":80.000000,"survey":"Short Visit Checklist"},{"rid":3315,"date":"2015-Jan-28","date2":"\/Date(1422449040000)\/","score":130.00,"pct":86.666600,"survey":"Short Visit Checklist"},{"rid":3454,"date":"2015-Feb-12","date2":"\/Date(1423750200000)\/","score":110.00,"pct":73.333300,"survey":"Short Visit Checklist"}];
var surveyScoreRange = [{"from":0,"to":50,"color":"#d9534f","opacity":0.40},{"from":50,"to":75,"color":"#f0ad4e","opacity":0.30},{"from":75,"to":90,"color":"#e7e800","opacity":0.20},{"from":90,"to":100,"color":"#5cb85c","opacity":0.10}];
var chartDs = new kendo.data.DataSource({
...