Not plotting line and x-axis when i passed below option
const options = {
			animationEnabled: true,
			axisX: {
				valueFormatString: “MMM”
			},
			data: [{
				xValueFormatString: “MMMM”,
				type: “spline”,
				dataPoints: [
					{ x: new Date(2017, 0), y: 250 },
					{ x: new Date(2017, 1), y: 279 },
					{ x: new Date(2017, 2), y: 428 },
					{ x: new Date(2017, 3), y: 324 },
					{ x: new Date(2017, 4), y: 352 },
					{ x: new Date(2017, 5), y: 339 },
					{ x: new Date(2017, 6), y: 400 },
					{ x: new Date(2017, 7), y: 525 },
					{ x: new Date(2017, 8), y: 323 },
					{ x: new Date(2017, 9), y: 420 },
					{ x: new Date(2017, 10), y: 371 },
					{ x: new Date(2017, 11), y: 384 }
				]
			}]
		}