'; 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/lengede/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 , 4 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 1 , 2 , 4 , 1 , 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', 'Dez. 2023', 'Jan. 2024', 'März 2024', 'Apr. 2024', 'Mai 2024', 'Juni 2024', 'Aug. 2024', 'Sept. 2024', 'Okt. 2024', 'Nov. 2024', 'Dez. 2024', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 188.7876520152276 , 142.11010875959167 , 273.0072154864946 , 359.1116382527334 , 380.3431469400624 , 244.58223838568236 , 182.13691295986948 , 215.27668632021596 , 216.33654881385374 , 206.96006276934818 , 206.96006276934818 , 224.58037489141418 , 276.5401509060902 , 292.10077151589206 , 265.901486177625 , 223.47961085037153 , 226.83945515303088 , 231.26647325183504 , 248.29073936989448 , 286.1760785419075 , 277.68531694181513 , 226.8431884205363 , 221.8759492558072 , 212.01082375199286 , 206.89406644915758 , 210.3314794321936 , 195.66114482640333 , 201.031665852427 , 154.00349045035955 , 176.02842457461318 , 190.87076395746772 , 208.3119365259062 , 190.84207526367626 , 171.57825990924022 , 151.48841555016958 , 169.531625952339 , 156.5388211328164 , 165.70174098957412 , 213.41703407780142 , 202.39742854776853 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 133.5559265442404, 80.54956896551724, 309.5238095238095, 411.8616144975288, 411.8616144975288, 309.5238095238095, 116.27906976744185, 170.41800643086816, 170.06802721088437, 211.53846153846155, 211.53846153846155, 207.3732718894009, 246.21212121212122, 243.39622641509433, 246.21212121212122, 207.3732718894009, 185.84070796460176, 207.3732718894009, 246.21212121212122, 284.2377260981912, 284.2377260981912, 268.33631484794273, 232.5581395348837, 232.5581395348837, 200, 233.3931777378815, 232.5581395348837, 232.5581395348837, 125, 232.5581395348837, 232.5581395348837, 232.5581395348837, 225.02250225022502, 170, 160, 160, 170, 225.02250225022502, 247.22222222222223, 225.02250225022502 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Lengede', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });