'; let req = new XMLHttpRequest(); req.onreadystatechange = function () { if (req.readyState === 4 && req.status === 200) { let result = JSON.parse(req.response); document.getElementById("landprices").innerHTML = result.data; buildCharts(result.charts.areaChartData, result.charts.qmPriceChartData); loading = false; } else if (req.readyState === 4) { loading = false; } }; const url = "/stadt/alfeld-leine/aggregation?year=" + val[1] + "&month=" + val[0]; req.open('GET', url, true); setTimeout(function () { req.send(); }, 1200); } }) } const areaChartData = { labels: [], data: [] }; const qmPriceChartData = { labels: [], data: [] }; areaChartData.labels = [ "0 m² - 100 m²" , "100 m² - 500 m²" , "500 m² - 1000 m²" , "1000 m² - 2000 m²" , "2000 m²+" ]; areaChartData.data = [ 0 , 3 , 0 , 1 , 2 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 3 , 3 , 0 , 0 , 0 ]; buildCharts(areaChartData, qmPriceChartData); new Chart(document.getElementById("trend-chart"), { type: 'line', data: { labels: [ 'Apr. 2021', 'Aug. 2021', 'Nov. 2021', 'Dez. 2021', 'Jan. 2022', 'Feb. 2022', 'März 2022', 'Apr. 2022', 'Mai 2022', 'Juni 2022', 'Juli 2022', 'Aug. 2022', 'Sept. 2022', 'Okt. 2022', 'Nov. 2022', 'Dez. 2022', 'Jan. 2023', 'Feb. 2023', 'März 2023', 'Apr. 2023', 'Mai 2023', 'Juni 2023', 'Juli 2023', 'Aug. 2023', 'Sept. 2023', 'Okt. 2023', 'Nov. 2023', 'Jan. 2024', 'Feb. 2024', 'März 2024', 'Apr. 2024', 'Mai 2024', 'Juni 2024', 'Juli 2024', 'Sept. 2024' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 48.294258663145065 , 70.01214846546779 , 57.1416912513137 , 54.85822561857154 , 54.03634613045646 , 55.962795132917876 , 50.9551324191656 , 58.19469070696823 , 55.865223930487296 , 62.51687778341352 , 62.51687778341352 , 69.61333947512905 , 68.41035502936549 , 89.94036464275196 , 88.42518249317223 , 112.61317191781568 , 138.910942191895 , 151.3787956599911 , 107.7632693225993 , 94.0568513665795 , 93.06266626001846 , 99.06892126312215 , 82.65690612407688 , 64.5368602817106 , 64.5368602817106 , 56.76028313176717 , 59.78332481990162 , 94.3290763629156 , 73.949193356187 , 89.90711547393565 , 89.90711547393565 , 83.24397945716566 , 87.9914769362857 , 89.09320037488231 , 85.7556630733075 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 42.75741710296684, 59.666666666666664, 57.758620689655174, 58.673469387755105, 57.758620689655174, 59.94827586206897, 44.84304932735426, 70.15306122448979, 63.5048231511254, 70.15306122448979, 70.15306122448979, 72.53457606734817, 72.53457606734817, 75.16105941302791, 80.9090909090909, 92.5925925925926, 130.718954248366, 130.718954248366, 80.9090909090909, 114.75409836065573, 91.54929577464789, 127.45098039215686, 80.9090909090909, 75.05376344086021, 75.05376344086021, 75.05376344086021, 70.15306122448979, 127.45098039215686, 80.9090909090909, 130.718954248366, 130.718954248366, 80.9090909090909, 130.718954248366, 81.72727272727273, 130.718954248366 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Alfeld (Leine)', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });