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Dual axes in v5

This chart displays two time-series lines from a CSV file, each with its own color-coded y-axis. The steel blue line represents closing values on the left axis, while the red line shows opening values on the right axis, allowing comparison of differently scaled data. Built with D3 v5, the code uses `d3.line`, `d3.scaleTime`, `d3.scaleLinear`, `d3.axisBottom`, `d3.axisLeft`, and `d3.axisRight` to render the SVG paths and axes. The axes and line colors are coordinated through CSS classes.

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d3.js line graph with dual Y axes

This example shows two time-series lines—one for closing values and one for opening values—plotted against a shared time axis but with separate y scales on the left and right sides. The SVG graphic uses D3.js version 3.5.17 with `d3.time.scale`, `d3.scale.linear`, and `d3.svg.axis` to render the axes and lines, while `d3.csv` loads the date-stamped data from a local CSV file. The left axis and blue line correspond to the close column, and the right axis and red line correspond to the open column, making it easy to compare trends across different value ranges.

Dual axes in v6

This example shows two time-series lines from a CSV file with date, close, and open values, each with its own colored y-axis: steelblue for the close values on the left and red for the open values on the right. The chart uses D3 v6’s `d3.scaleTime` and `d3.scaleLinear` for axes, `d3.line` to generate the SVG path data, and `d3.axisLeft` and `d3.axisRight` to render the separate scales. The data is loaded via `d3.csv` and parsed with `d3.timeParse` before being drawn as SVG paths within a single group element.

Multiple line graph in v4

This example displays two time-series lines—one for closing prices and one for opening prices—in a single SVG chart using D3 v4. The chart uses `d3.csv` to load data from a CSV file, `d3.timeParse` to convert dates, and `d3.scaleTime` and `d3.scaleLinear` for the axes. Two `d3.line` generators create the paths, with the second line styled red via `.style("stroke", "red")`. Axis rendering uses `d3.axisBottom` and `d3.axisLeft`.

Untitled

This example shows a dual-line chart comparing the closing and opening prices of a dataset over time. Two lines are rendered on a time-scaled x-axis and a linear y-axis, with the closing price in steel blue and the opening price in red. The visualization uses D3 v4’s `d3.line`, `d3.scaleTime`, `d3.scaleLinear`, and `d3.axisBottom`/`d3.axisLeft` to generate the SVG paths and axes. Data is loaded from a CSV file with d3.csv, and dates are parsed with `d3.timeParse`.

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Simple line graph in d3.js

This example shows a simple line graph plotting stock closing prices over time, with date values on the x-axis and price on the y-axis. The visualization uses D3.js version 3.5.17, employing `d3.time.scale` for the date range, `d3.scale.linear` for the value axis, and `d3.svg.line` to generate the path. Data is loaded from a local CSV file via `d3.csv`, with the axes created through `d3.svg.axis`. The SVG rendering includes styled axis lines and a steelblue line, providing a minimal teaching example for D3 chart construction.

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HTML Starter

This example displays a multi-series line chart of stock data, plotting both opening and closing values over time as two distinct colored lines. The visualization uses D3 v4 with SVG rendering, employing `d3.line()` to generate the paths, `d3.scaleTime()` for the time-based x-axis, and `d3.scaleLinear()` for the y-axis. Data is loaded from a local CSV file via `d3.csv()`, with dates parsed using `d3.timeParse()`. The chart includes axes rendered through `d3.axisBottom()` and `d3.axisLeft()`, all styled with basic CSS classes.

Ttayyabanisar

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