d3折线图中显示的随机水平线？
商标代码
我将数据绘制为折线图，由于某种原因，在图形的一部分上出现了随机的水平线：
我正在绘制这样的数据：
const timeConv = d3.timeParse("%Y-%m-%dT%H:%M:%S.%f");
const width = 960;
const height = 500;
const margin = 5;
const padding = 5;
const adj = 30;
/* adding svg */
const svg = d3.select("#chart").append("svg")
.attr("preserveAspectRatio", "none")
.attr("viewBox", "-"
+ adj + " -"
+ adj + " "
+ (width + adj * 3) + " "
+ (height + adj * 3))
.attr("height", "100%")
.style("padding", padding)
.style("margin", margin)
/* sanitizing data */
const dataset = d3.json("formattedStats.json")
dataset.then(function(data) {
/* scaling */
const xScale = d3.scaleTime().range([0, width]);
const yScale = d3.scaleLinear().rangeRound([height, 0]);
xScale.domain(d3.extent(data, d => timeConv(d.dateCreated)));
yScale.domain([
0,
d3.max(data, d => d.balance)
]);
const yaxis = d3.axisLeft()
.ticks(20)
.scale(yScale);
const xaxis = d3.axisBottom()
.ticks(d3.timeDay.filter(d => d3.timeDay.count(0, d) % 3 === 0))
.tickFormat(d3.timeFormat('%b %d'))
.scale(xScale);
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + height + ")")
.call(xaxis);
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0, 0)")
.call(yaxis);
const line = d3.line()
.x((d) => xScale(timeConv(d.dateCreated)))
.y((d) => yScale(d.balance));
svg.append("path")
.attr("d", line(data))
.attr("stroke", "black")
});
我的数据如下所示：
[
{
"balance":1433,
"dateCreated":"2020-07-23T19:03:38.627"
},
{
"balance":1426,
"dateCreated":"2020-07-23T19:01:50.766"
},
{
"balance":1449,
"dateCreated":"2020-07-23T06:58:56.856"
},
{
"balance":1465,
"dateCreated":"2020-07-23T06:45:02.957"
},
{
"balance":1476,
"dateCreated":"2020-07-23T06:38:27.707"
},
{
"balance":1483,
"dateCreated":"2020-07-23T06:09:21.723"
},
{
"balance":1489,
"dateCreated":"2020-07-23T06:07:10.662"
},
{
"balance":1506,
"dateCreated":"2020-07-23T06:07:01.501"
},
{
"balance":1515,
"dateCreated":"2020-07-23T04:06:49.871"
},
{
"balance":1531,
"dateCreated":"2020-07-23T03:47:41.251"
},
{
"balance":1542,
"dateCreated":"2020-07-23T03:04:08.571"
},
{
"balance":1558,
"dateCreated":"2020-07-23T02:27:07.284"
},
{
"balance":1575,
"dateCreated":"2020-07-23T02:21:03.609"
},
{
"balance":1591,
"dateCreated":"2020-07-23T02:14:47.54"
},
{
"balance":1596,
"dateCreated":"2020-07-23T02:13:51.064"
},
{
"balance":1612,
"dateCreated":"2020-07-23T02:13:35.578"
},
{
"balance":1620,
"dateCreated":"2020-07-23T01:49:01.64"
},
{
"balance":1606,
"dateCreated":"2020-07-23T01:05:31.986"
},
{
"balance":1639,
"dateCreated":"2020-07-23T00:13:31.93"
},
{
"balance":1656,
"dateCreated":"2020-07-23T00:05:29.045"
},
{
"balance":1672,
"dateCreated":"2020-07-22T23:53:33.355"
},
{
"balance":1679,
"dateCreated":"2020-07-22T23:45:19.324"
},
{
"balance":1702,
"dateCreated":"2020-07-22T08:06:04.961"
},
{
"balance":1709,
"dateCreated":"2020-07-22T07:41:31.159"
},
{
"balance":949,
"dateCreated":"2020-07-22T06:11:06.519"
},
{
"balance":915,
"dateCreated":"2020-07-22T04:11:45.495"
},
{
"balance":932,
"dateCreated":"2020-07-22T03:31:21.528"
},
{
"balance":981,
"dateCreated":"2020-07-22T02:09:29.896"
},
{
"balance":965,
"dateCreated":"2020-07-22T02:08:44.348"
},
{
"balance":859,
"dateCreated":"2020-07-21T23:16:21.725"
},
{
"balance":837,
"dateCreated":"2020-07-21T22:11:51.734"
},
{
"balance":853,
"dateCreated":"2020-07-21T21:51:33.269"
},
{
"balance":869,
"dateCreated":"2020-07-21T21:25:00.833"
},
{
"balance":862,
"dateCreated":"2020-07-21T21:17:35.604"
},
{
"balance":839,
"dateCreated":"2020-07-21T20:30:21.715"
},
{
"balance":856,
"dateCreated":"2020-07-21T07:51:15.532"
},
{
"balance":899,
"dateCreated":"2020-07-21T07:10:07.262"
},
{
"balance":915,
"dateCreated":"2020-07-21T05:37:19.123"
},
{
"balance":910,
"dateCreated":"2020-07-21T05:33:59.065"
},
{
"balance":883,
"dateCreated":"2020-07-21T05:24:11.467"
},
{
"balance":871,
"dateCreated":"2020-07-21T03:21:38.474"
},
{
"balance":888,
"dateCreated":"2020-07-21T03:10:32.186"
},
{
"balance":891,
"dateCreated":"2020-07-21T03:05:09.042"
},
{
"balance":861,
"dateCreated":"2020-07-21T02:05:56.146"
},
{
"balance":878,
"dateCreated":"2020-07-21T01:43:27.761"
},
{
"balance":901,
"dateCreated":"2020-07-21T01:34:25.554"
},
{
"balance":907,
"dateCreated":"2020-07-20T23:18:39.558"
},
{
"balance":924,
"dateCreated":"2020-07-20T22:59:25.504"
},
{
"balance":940,
"dateCreated":"2020-07-20T21:01:51.96"
},
{
"balance":879,
"dateCreated":"2020-07-20T20:48:54.406"
},
{
"balance":857,
"dateCreated":"2020-07-20T19:56:13.648"
},
{
"balance":890,
"dateCreated":"2020-07-20T19:50:26.716"
},
{
"balance":906,
"dateCreated":"2020-07-20T19:00:18.921"
},
{
"balance":882,
"dateCreated":"2020-07-20T07:46:33.574"
},
{
"balance":896,
"dateCreated":"2020-07-20T07:07:40.55"
},
{
"balance":879,
"dateCreated":"2020-07-20T07:04:25.858"
},
{
"balance":906,
"dateCreated":"2020-07-20T06:52:07.748"
},
{
"balance":922,
"dateCreated":"2020-07-20T06:42:51.575"
},
{
"balance":927,
"dateCreated":"2020-07-20T06:42:31.973"
},
{
"balance":934.26,
"dateCreated":"2020-07-20T06:16:09.036"
},
{
"balance":902,
"dateCreated":"2020-07-20T05:31:56.692"
},
{
"balance":923,
"dateCreated":"2020-07-20T05:31:47.108"
},
{
"balance":894,
"dateCreated":"2020-07-20T05:22:20.871"
},
{
"balance":867,
"dateCreated":"2020-07-20T04:00:32.576"
},
{
"balance":883,
"dateCreated":"2020-07-20T04:00:26.06"
},
{
"balance":900,
"dateCreated":"2020-07-20T02:14:11.529"
},
{
"balance":916,
"dateCreated":"2020-07-20T01:38:55.908"
},
{
"balance":933,
"dateCreated":"2020-07-20T01:23:53.772"
},
{
"balance":949,
"dateCreated":"2020-07-20T01:23:45.458"
},
{
"balance":956,
"dateCreated":"2020-07-19T23:33:45.224"
},
{
"balance":962,
"dateCreated":"2020-07-19T23:08:56.22"
},
{
"balance":979,
"dateCreated":"2020-07-19T23:08:38.623"
},
{
"balance":880,
"dateCreated":"2020-07-19T23:06:48.195"
},
{
"balance":894,
"dateCreated":"2020-07-19T22:12:00.778"
},
{
"balance":877,
"dateCreated":"2020-07-19T21:57:13.62"
},
{
"balance":910,
"dateCreated":"2020-07-19T21:33:02.45"
},
{
"balance":925,
"dateCreated":"2020-07-19T21:25:22.116"
},
{
"balance":949,
"dateCreated":"2020-07-19T21:20:51.796"
},
{
"balance":965,
"dateCreated":"2020-07-19T20:59:27.897"
},
{
"balance":982,
"dateCreated":"2020-07-19T07:47:45.451"
},
{
"balance":822,
"dateCreated":"2020-07-19T07:44:31.419"
},
{
"balance":879,
"dateCreated":"2020-07-19T07:34:22.508"
},
{
"balance":797,
"dateCreated":"2020-07-19T06:46:47.993"
},
{
"balance":814,
"dateCreated":"2020-07-19T06:46:07.785"
},
{
"balance":820,
"dateCreated":"2020-07-19T06:36:24.427"
},
{
"balance":827,
"dateCreated":"2020-07-19T06:20:59.223"
},
{
"balance":861,
"dateCreated":"2020-07-19T06:19:46.962"
},
{
"balance":823,
"dateCreated":"2020-07-19T06:08:21.955"
},
{
"balance":840,
"dateCreated":"2020-07-19T06:07:30.056"
},
{
"balance":851,
"dateCreated":"2020-07-19T06:05:20.705"
},
{
"balance":849,
"dateCreated":"2020-07-19T05:39:32.269"
},
{
"balance":866.29,
"dateCreated":"2020-07-19T05:26:06.534"
},
{
"balance":825,
"dateCreated":"2020-07-19T05:13:44.842"
},
{
"balance":836,
"dateCreated":"2020-07-19T05:11:43.612"
},
{
"balance":852,
"dateCreated":"2020-07-19T05:04:52.876"
},
{
"balance":858,
"dateCreated":"2020-07-19T05:04:27.291"
},
{
"balance":874.54,
"dateCreated":"2020-07-19T05:04:12.409"
},
{
"balance":843,
"dateCreated":"2020-07-19T04:57:22.911"
},
{
"balance":859,
"dateCreated":"2020-07-19T04:52:21.601"
},
{
"balance":875.24,
"dateCreated":"2020-07-19T04:50:29"
},
{
"balance":847,
"dateCreated":"2020-07-19T04:45:57.354"
},
{
"balance":880,
"dateCreated":"2020-07-19T04:28:35.598"
},
{
"balance":897,
"dateCreated":"2020-07-19T04:17:26.469"
},
{
"balance":913,
"dateCreated":"2020-07-18T07:16:47.016"
},
{
"balance":947,
"dateCreated":"2020-07-18T06:37:00.094"
},
{
"balance":930,
"dateCreated":"2020-07-18T06:31:42.495"
},
{
"balance":952,
"dateCreated":"2020-07-17T09:08:22.177"
},
{
"balance":939.94,
"dateCreated":"2020-07-17T08:49:21.978"
},
{
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"dateCreated":"2020-07-17T08:34:31.417"
},
{
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"dateCreated":"2020-07-17T08:34:01.094"
},
{
"balance":935,
"dateCreated":"2020-07-16T07:08:20.004"
},
{
"balance":951,
"dateCreated":"2020-07-16T07:07:46.132"
},
{
"balance":968,
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},
{
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},
{
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},
{
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},
{
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},
{
"balance":1040,
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},
{
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"dateCreated":"2020-07-13T23:18:21.912"
},
{
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},
{
"balance":1088,
"dateCreated":"2020-07-13T21:00:57.88"
},
{
"balance":1091,
"dateCreated":"2020-07-13T20:10:58.344"
},
{
"balance":1093.04,
"dateCreated":"2020-07-13T20:10:39.9"
},
{
"balance":1055,
"dateCreated":"2020-07-13T19:20:51.553"
},
{
"balance":1071,
"dateCreated":"2020-07-13T19:09:34.993"
},
{
"balance":1071,
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},
{
"balance":1088.47,
"dateCreated":"2020-07-13T08:34:06.731"
},
{
"balance":1020.97,
"dateCreated":"2020-07-13T08:24:09.093"
},
{
"balance":999,
"dateCreated":"2020-07-13T08:12:13.226"
},
{
"balance":1015,
"dateCreated":"2020-07-13T07:49:26.818"
},
{
"balance":1032,
"dateCreated":"2020-07-13T07:40:00.178"
},
{
"balance":1114,
"dateCreated":"2020-07-12T23:23:32.335"
},
{
"balance":1154,
"dateCreated":"2020-07-12T21:01:59.128"
},
{
"balance":1169.97,
"dateCreated":"2020-07-12T14:39:57.463"
},
{
"balance":1156,
"dateCreated":"2020-07-12T14:01:02.792"
},
{
"balance":1172,
"dateCreated":"2020-07-12T13:55:36.566"
},
{
"balance":1177,
"dateCreated":"2020-07-12T13:55:19.394"
},
{
"balance":1156,
"dateCreated":"2020-07-12T08:24:33.968"
},
{
"balance":1121,
"dateCreated":"2020-07-12T08:08:41.735"
},
{
"balance":1089,
"dateCreated":"2020-07-12T06:48:28.84"
},
{
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},
{
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},
{
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"dateCreated":"2020-07-11T21:52:56.498"
},
{
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"dateCreated":"2020-07-11T21:36:53.419"
},
{
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},
{
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},
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},
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{
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},
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},
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},
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},
{
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},
{
"balance":1120,
"dateCreated":"2020-07-10T07:04:02.663"
},
{
"balance":1131,
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},
{
"balance":1148,
"dateCreated":"2020-07-10T05:50:07.739"
},
{
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},
{
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},
{
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},
{
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},
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},
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},
{
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},
{
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},
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},
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{
"balance":1353.8,
"dateCreated":"2020-07-03T08:00:24.059"
},
{
"balance":1290,
"dateCreated":"2020-07-03T07:39:10.192"
},
{
"balance":1322,
"dateCreated":"2020-07-03T07:28:01.269"
},
{
"balance":1322.65,
"dateCreated":"2020-07-02T08:16:47.869"
},
{
"balance":1287,
"dateCreated":"2020-07-02T06:46:09.676"
},
{
"balance":1304,
"dateCreated":"2020-07-02T06:40:26.221"
},
{
"balance":1310,
"dateCreated":"2020-07-02T06:30:15.057"
},
{
"balance":1328,
"dateCreated":"2020-07-01T06:40:06.844"
},
{
"balance":1345,
"dateCreated":"2020-07-01T06:23:22.739"
},
{
"balance":1348,
"dateCreated":"2020-06-30T08:09:53.259"
},
{
"balance":1318,
"dateCreated":"2020-06-30T06:43:08.339"
},
{
"balance":1334,
"dateCreated":"2020-06-30T06:42:51.645"
}
]
有谁知道为什么会这样？谢谢！
安德鲁·里德（Andrew Reid）
这种错误（图形/图表线/矩形/路径/圆在很大程度上是正确的，但有一个或两个错误点）通常可以追溯到以下两个问题之一：
- 数据错误
- 解析数据时出错
在您的情况下，数据很好，但是您的解析没有考虑边缘情况，如果您的时间没有毫秒，请比较：
const timeConv = d3.timeParse("%Y-%m-%dT%H:%M:%S.%f");
console.log(timeConv("2020-07-19T04:50:29"));
console.log(timeConv("2020-07-19T04:52:21.601"));<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"></script>在您的情况下，对于一个数据点，d3.timeParse在您的情况下为一个数据点返回一个空值，从而导致路径的x值缩放比例错误。
我想到了两个解决方案，修复数据以便按预期的格式格式化此点，或者创建第二个时间解析器以解决这种极端情况：
.x((d) => xScale(timeConv(d.dateCreated) || timeConvEdgeCase(d.dateCreated)))
这似乎比确保格式一致的数据更加骇人听闻，但是根据您的数据源，这可能需要内联完成，或者无论如何都要在浏览器中加载数据。
const data=[{"balance":1433,"dateCreated":"2020-07-23T19:03:38.627"},{"balance":1426,"dateCreated":"2020-07-23T19:01:50.766"},{"balance":1449,"dateCreated":"2020-07-23T06:58:56.856"},{"balance":1465,"dateCreated":"2020-07-23T06:45:02.957"},{"balance":1476,"dateCreated":"2020-07-23T06:38:27.707"},{"balance":1483,"dateCreated":"2020-07-23T06:09:21.723"},{"balance":1489,"dateCreated":"2020-07-23T06:07:10.662"},{"balance":1506,"dateCreated":"2020-07-23T06:07:01.501"},{"balance":1515,"dateCreated":"2020-07-23T04:06:49.871"},{"balance":1531,"dateCreated":"2020-07-23T03:47:41.251"},{"balance":1542,"dateCreated":"2020-07-23T03:04:08.571"},{"balance":1558,"dateCreated":"2020-07-23T02:27:07.284"},{"balance":1575,"dateCreated":"2020-07-23T02:21:03.609"},{"balance":1591,"dateCreated":"2020-07-23T02:14:47.54"},{"balance":1596,"dateCreated":"2020-07-23T02:13:51.064"},{"balance":1612,"dateCreated":"2020-07-23T02:13:35.578"},{"balance":1620,"dateCreated":"2020-07-23T01:49:01.64"},{"balance":1606,"dateCreated":"2020-07-23T01:05:31.986"},{"balance":1639,"dateCreated":"2020-07-23T00:13:31.93"},{"balance":1656,"dateCreated":"2020-07-23T00:05:29.045"},{"balance":1672,"dateCreated":"2020-07-22T23:53:33.355"},{"balance":1679,"dateCreated":"2020-07-22T23:45:19.324"},{"balance":1702,"dateCreated":"2020-07-22T08:06:04.961"},{"balance":1709,"dateCreated":"2020-07-22T07:41:31.159"},{"balance":949,"dateCreated":"2020-07-22T06:11:06.519"},{"balance":915,"dateCreated":"2020-07-22T04:11:45.495"},{"balance":932,"dateCreated":"2020-07-22T03:31:21.528"},{"balance":981,"dateCreated":"2020-07-22T02:09:29.896"},{"balance":965,"dateCreated":"2020-07-22T02:08:44.348"},{"balance":859,"dateCreated":"2020-07-21T23:16:21.725"},{"balance":837,"dateCreated":"2020-07-21T22:11:51.734"},{"balance":853,"dateCreated":"2020-07-21T21:51:33.269"},{"balance":869,"dateCreated":"2020-07-21T21:25:00.833"},{"balance":862,"dateCreated":"2020-07-21T21:17:35.604"},{"balance":839,"dateCreated":"2020-07-21T20:30:21.715"},{"balance":856,"dateCreated":"2020-07-21T07:51:15.532"},{"balance":899,"dateCreated":"2020-07-21T07:10:07.262"},{"balance":915,"dateCreated":"2020-07-21T05:37:19.123"},{"balance":910,"dateCreated":"2020-07-21T05:33:59.065"},{"balance":883,"dateCreated":"2020-07-21T05:24:11.467"},{"balance":871,"dateCreated":"2020-07-21T03:21:38.474"},{"balance":888,"dateCreated":"2020-07-21T03:10:32.186"},{"balance":891,"dateCreated":"2020-07-21T03:05:09.042"},{"balance":861,"dateCreated":"2020-07-21T02:05:56.146"},{"balance":878,"dateCreated":"2020-07-21T01:43:27.761"},{"balance":901,"dateCreated":"2020-07-21T01:34:25.554"},{"balance":907,"dateCreated":"2020-07-20T23:18:39.558"},{"balance":924,"dateCreated":"2020-07-20T22:59:25.504"},{"balance":940,"dateCreated":"2020-07-20T21:01:51.96"},{"balance":879,"dateCreated":"2020-07-20T20:48:54.406"},{"balance":857,"dateCreated":"2020-07-20T19:56:13.648"},{"balance":890,"dateCreated":"2020-07-20T19:50:26.716"},{"balance":906,"dateCreated":"2020-07-20T19:00:18.921"},{"balance":882,"dateCreated":"2020-07-20T07:46:33.574"},{"balance":896,"dateCreated":"2020-07-20T07:07:40.55"},{"balance":879,"dateCreated":"2020-07-20T07:04:25.858"},{"balance":906,"dateCreated":"2020-07-20T06:52:07.748"},{"balance":922,"dateCreated":"2020-07-20T06:42:51.575"},{"balance":927,"dateCreated":"2020-07-20T06:42:31.973"},{"balance":934.26,"dateCreated":"2020-07-20T06:16:09.036"},{"balance":902,"dateCreated":"2020-07-20T05:31:56.692"},{"balance":923,"dateCreated":"2020-07-20T05:31:47.108"},{"balance":894,"dateCreated":"2020-07-20T05:22:20.871"},{"balance":867,"dateCreated":"2020-07-20T04:00:32.576"},{"balance":883,"dateCreated":"2020-07-20T04:00:26.06"},{"balance":900,"dateCreated":"2020-07-20T02:14:11.529"},{"balance":916,"dateCreated":"2020-07-20T01:38:55.908"},{"balance":933,"dateCreated":"2020-07-20T01:23:53.772"},{"balance":949,"dateCreated":"2020-07-20T01:23:45.458"},{"balance":956,"dateCreated":"2020-07-19T23:33:45.224"},{"balance":962,"dateCreated":"2020-07-19T23:08:56.22"},{"balance":979,"dateCreated":"2020-07-19T23:08:38.623"},{"balance":880,"dateCreated":"2020-07-19T23:06:48.195"},{"balance":894,"dateCreated":"2020-07-19T22:12:00.778"},{"balance":877,"dateCreated":"2020-07-19T21:57:13.62"},{"balance":910,"dateCreated":"2020-07-19T21:33:02.45"},{"balance":925,"dateCreated":"2020-07-19T21:25:22.116"},{"balance":949,"dateCreated":"2020-07-19T21:20:51.796"},{"balance":965,"dateCreated":"2020-07-19T20:59:27.897"},{"balance":982,"dateCreated":"2020-07-19T07:47:45.451"},{"balance":822,"dateCreated":"2020-07-19T07:44:31.419"},{"balance":879,"dateCreated":"2020-07-19T07:34:22.508"},{"balance":797,"dateCreated":"2020-07-19T06:46:47.993"},{"balance":814,"dateCreated":"2020-07-19T06:46:07.785"},{"balance":820,"dateCreated":"2020-07-19T06:36:24.427"},{"balance":827,"dateCreated":"2020-07-19T06:20:59.223"},{"balance":861,"dateCreated":"2020-07-19T06:19:46.962"},{"balance":823,"dateCreated":"2020-07-19T06:08:21.955"},{"balance":840,"dateCreated":"2020-07-19T06:07:3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0-07-09T19:11:14.349"},{"balance":1252,"dateCreated":"2020-07-09T17:13:40.924"},{"balance":1268,"dateCreated":"2020-07-09T06:47:22.183"},{"balance":1284,"dateCreated":"2020-07-08T17:42:38.056"},{"balance":1301,"dateCreated":"2020-07-08T17:42:28.833"},{"balance":1306.58,"dateCreated":"2020-07-08T08:49:25.341"},{"balance":1285.58,"dateCreated":"2020-07-08T08:32:08.722"},{"balance":1275,"dateCreated":"2020-07-08T08:29:17.285"},{"balance":1282,"dateCreated":"2020-07-08T08:29:09.891"},{"balance":1285,"dateCreated":"2020-07-08T08:22:57.768"},{"balance":1290,"dateCreated":"2020-07-08T08:20:55.432"},{"balance":1294,"dateCreated":"2020-07-08T07:06:29.286"},{"balance":1300,"dateCreated":"2020-07-08T06:47:13.151"},{"balance":1291,"dateCreated":"2020-07-08T06:44:23.775"},{"balance":1270,"dateCreated":"2020-07-08T05:46:22.013"},{"balance":1287,"dateCreated":"2020-07-08T05:45:47.899"},{"balance":1149,"dateCreated":"2020-07-07T11:19:38.463"},{"balance":1129.93,"dateCreated":"2020-07-07T08:29:41.744"},{"balance":1107,"dateCreated":"2020-07-07T07:48:21.005"},{"balance":1116,"dateCreated":"2020-07-07T07:48:04.45"},{"balance":1134,"dateCreated":"2020-07-07T06:07:27.17"},{"balance":1101,"dateCreated":"2020-07-06T18:13:04.993"},{"balance":1075,"dateCreated":"2020-07-06T16:50:49.551"},{"balance":1098,"dateCreated":"2020-07-06T16:41:05.869"},{"balance":1105,"dateCreated":"2020-07-06T04:53:57.638"},{"balance":1121,"dateCreated":"2020-07-06T04:53:47.715"},{"balance":1128,"dateCreated":"2020-07-06T03:52:28.386"},{"balance":1194,"dateCreated":"2020-07-06T03:33:55.42"},{"balance":1177,"dateCreated":"2020-07-06T03:19:55.119"},{"balance":1210,"dateCreated":"2020-07-06T02:53:50.235"},{"balance":1227,"dateCreated":"2020-07-06T02:40:53.788"},{"balance":1243,"dateCreated":"2020-07-06T02:40:39.762"},{"balance":1252,"dateCreated":"2020-07-06T02:19:43.451"},{"balance":1269,"dateCreated":"2020-07-05T21:41:31.196"},{"balance":1275,"dateCreated":"2020-07-05T21:34:16.157"},{"balance":1219,"dateCreated":"2020-07-05T19:53:26.309"},{"balance":1192,"dateCreated":"2020-07-05T19:04:36.269"},{"balance":1198,"dateCreated":"2020-07-05T19:04:10.751"},{"balance":1249,"dateCreated":"2020-07-04T05:38:08.098"},{"balance":1228,"dateCreated":"2020-07-04T05:23:06.225"},{"balance":1271,"dateCreated":"2020-07-04T03:26:17.131"},{"balance":1304,"dateCreated":"2020-07-04T03:12:01.939"},{"balance":1327,"dateCreated":"2020-07-04T03:09:45.315"},{"balance":1334,"dateCreated":"2020-07-04T02:45:19.182"},{"balance":1343,"dateCreated":"2020-07-03T20:49:14.146"},{"balance":1353.8,"dateCreated":"2020-07-03T08:00:24.059"},{"balance":1290,"dateCreated":"2020-07-03T07:39:10.192"},{"balance":1322,"dateCreated":"2020-07-03T07:28:01.269"},{"balance":1322.65,"dateCreated":"2020-07-02T08:16:47.869"},{"balance":1287,"dateCreated":"2020-07-02T06:46:09.676"},{"balance":1304,"dateCreated":"2020-07-02T06:40:26.221"},{"balance":1310,"dateCreated":"2020-07-02T06:30:15.057"},{"balance":1328,"dateCreated":"2020-07-01T06:40:06.844"},{"balance":1345,"dateCreated":"2020-07-01T06:23:22.739"},{"balance":1348,"dateCreated":"2020-06-30T08:09:53.259"},{"balance":1318,"dateCreated":"2020-06-30T06:43:08.339"},{"balance":1334,"dateCreated":"2020-06-30T06:42:51.645"}]
const timeConv = d3.timeParse("%Y-%m-%dT%H:%M:%S.%f");
const timeConvEdge = d3.timeParse("%Y-%m-%dT%H:%M:%S");
const width = 960;
const height = 500;
const margin = 5;
const padding = 5;
const adj = 30;
/* adding svg */
const svg = d3.select("#chart").append("svg")
.attr("preserveAspectRatio", "none")
.attr("viewBox", "-"
+ adj + " -"
+ adj + " "
+ (width + adj * 3) + " "
+ (height + adj * 3))
.attr("height", "100%")
.style("padding", padding)
.style("margin", margin)
/* scaling */
const xScale = d3.scaleTime().range([0, width]);
const yScale = d3.scaleLinear().rangeRound([height, 0]);
xScale.domain(d3.extent(data, d => timeConv(d.dateCreated) || timeConvEdge(d.dateCreated)));
yScale.domain([
0,
d3.max(data, d => d.balance)
]);
const yaxis = d3.axisLeft()
.ticks(20)
.scale(yScale);
const xaxis = d3.axisBottom()
.ticks(d3.timeDay.filter(d => d3.timeDay.count(0, d) % 3 === 0))
.tickFormat(d3.timeFormat('%b %d'))
.scale(xScale);
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + height + ")")
.call(xaxis);
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0, 0)")
.call(yaxis);
const line = d3.line()
.x((d) => xScale(timeConv(d.dateCreated) || timeConvEdge(d.dateCreated)))
.y((d) => yScale(d.balance));
svg.append("path")
.attr("d", line(data))
.attr("stroke", "black")path {
fill: none;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"></script>
<div id="chart">本文收集自互联网，转载请注明来源。
如有侵权，请联系[email protected] 删除。
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