HTML Charts / Bump Chart
Free Chart.js chart for HTML containers
Bump Chart
How each segment's rank changes month by month – who's rising, who's falling and how often the leader changes.
v1.1.0Live demo · random data1 metric1 dimensionneeds a dateRankingOver time
Live demo – the chart is reading the random grid underneath, exactly as it reads a real one
Demo grid · … rows of random valuesIn use this is your grid, tucked behind the chart
When to use it
Use it when rank matters more than value: who's first, who's climbing and how often the lead changes.
Questions it answers
- Who's held the top spot longest?
- Who climbed the most places this year?
- How often did the leader change?
How to use it
- On your dashboard page, add a grid with the columns below (or map your own header names – see below). Keep it on the same page – tuck it behind the chart rather than hiding it, and make it tall.
- Add an HTML container (one that runs JavaScript) and paste the snippet.
- View the page. The chart finds the grid, reads every row and draws itself; it updates when filters change the grid.
| Default header | Key | What it's for | |
|---|---|---|---|
Month Key | month | Required | Month. |
Dimension A | dimA | Required | The entry being ranked. |
Metric 1 | v1 | Required | The value to rank by. |
<div data-chart-embed="bump-chart" style="height:100%"></div>
<script>
(function () {
var s = document.createElement("script");
s.src = "https://viz.kaijxnes.com/charts/bump-chart-1.1.0.js";
s.integrity = "sha384-kv03UDd9SXXifipTcfngCMv3D4GUj9GM0vCZOskSeutPfnPHbGaJY3KZyMIpgOJA";
s.crossOrigin = "anonymous";
document.head.appendChild(s);
})();
</script>- Script URL
https://viz.kaijxnes.com/charts/bump-chart-1.1.0.js- Integrity (SRI)
sha384-kv03UDd9SXXifipTcfngCMv3D4GUj9GM0vCZOskSeutPfnPHbGaJY3KZyMIpgOJA- Chart.js
https://viz.kaijxnes.com/chart.umd-4.4.1.js·sha384-dug+JxfBvklEQdJ4AYuBBAIScUz0bVN73xpy273gcAwHjb3qI0fXmuYNaNfdyYJG
The integrity value pins this exact version: the browser refuses to run the script if a single byte changes. New versions get a new file name and a new snippet, so a dashboard only changes when you paste the new snippet.
Your own column names
The chart looks for the default headers above. If your grid's headers are different, map them by key with data-columns on the placeholder – the chart then shows your names too. data-labels (same keys) changes just the on-screen names, and data-title changes the heading. For grids that draw rows in batches, data-grid-class and data-scroll-class name the grid's container and its scroll box so every row is read.
<div data-chart-embed="bump-chart" data-columns='{"month":"Your Month Header","v1":"Your Metric Header"}' data-title="Your title" style="height:100%"></div>
<script>
(function () {
var s = document.createElement("script");
s.src = "https://viz.kaijxnes.com/charts/bump-chart-1.1.0.js";
s.integrity = "sha384-kv03UDd9SXXifipTcfngCMv3D4GUj9GM0vCZOskSeutPfnPHbGaJY3KZyMIpgOJA";
s.crossOrigin = "anonymous";
document.head.appendChild(s);
})();
</script>What it does
- A line per segment showing its rank each month, labelled at the end
- Top 5 / 8 / 12 / all; click a line to highlight it
- Cards for the leader and its streak, the biggest climb and drop, and how often the lead changed
Data & security
- Reads only what is drawn on the page for the viewer, so the viewer's normal permissions still apply
- Calculations happen in the viewer's browser; nothing is uploaded or sent anywhere
- The only downloads are this script and Chart.js, both integrity-checked
- No logins, API keys, cookies or browser storage
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