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Learn how each feature works through interactive examples and ready-to-copy code.

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Article Styling

Customise colors, shapes, borders and interactions.

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Events & Handlers

Listen to clicks, zoom changes and save state.

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Time Bands

Layer eras behind the main line and tweak defaults.

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Performance

Generate large timelines and tune key options.

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Article Styling

Use style, hoverStyle and activeStyle to craft distinct visuals.

Style, Hover and Active Style Modes

Style any article via timeline‑level defaults or per‑article options. Hover and active styles inherit from the base style, letting you override only what’s needed.

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Tip

To clear system defaults for active and/or hover styles after initialization, delete individual properties from the style object or reset all by setting to an empty object, for example:

  • myTimeline.options.article.defaultActiveStyle = {}
  • myTimeline.setOption("article.defaultActiveStyle", myActiveStyle)
/* Select an article in the timeline to see its style here */

Card layouts: Portrait vs Landscape

Toggle the default card layout between landscape and portrait. You can set it at init via options.article.defaultCardLayout or after init with timeline.setOption("article.defaultCardLayout", layout).

Events Explorer

Explore every event and payload. Switch between timeline.on and options.on.

Select an event, register a handler, inspect output

/* Select an event to see the registration snippet here */

Handler output shows summarized payloads for readability. Articles and DOM events are abbreviated (e.g. IDs, titles, coordinates). Use your own handlers to inspect full objects.

Time Bands

Overlay eras and ranges behind the timeline.

Configurable background ranges

Time Bands supply contextual ranges (eras, offices, programmes) underneath your main events. Use them to highlight background context without occupying article slots.

Change the dataset, tweak the default style, and decide how much vertical space to dedicate below the main line.


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Performance

Create large timelines and compare settings that impact speed.

Large Timeline Performance Tuning

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Tip

For best performance: lower event density, use stacking range = Screen, and disable animations. Chrome (Windows) and Safari (macOS) typically perform best.