How deeply does D3.js in Action, Third Edition cover touch input?

Explains spacing, accessibility, and interaction choices but stops short of implementing touch-event handlers.

Touch input

As explained in D3.js in Action, Third Edition

A touch interaction is a user-interface interaction performed through contact with a touch-sensitive display.

Touch input is interaction performed through contact with a touch-sensitive display. In visualizations, it requires more space than mouse interaction because fingers are larger than cursors. section 7.1.1 section 9.4

Design touch input in mobile visualizations by:

Making essential information directly visible or easy to access instead of relying heavily on tooltips. section 9.4
Allowing zooming and panning when users explore maps or network layouts. section 9.4
Providing enough room for comfortable touch targets and considering horizontal scrolling for wide charts. section 7.1.1 section 9.4

How D3.js in Action, Third Edition covers it

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Related concepts

mouse eventalternative to · A mouse event is a browser event representing an interaction with a mouse or other pointing device.
inputkind of · An input is a value, information, or signal supplied to a system, computation, or interface for processing or to influence its behavior.
touchscreenused by · A touchscreen is an interactive display surface that detects direct physical contact as input for controlling or interacting with digital content.

This explainer was generated by Manning's knowledge graph from the text of D3.js in Action, Third Edition. The section links point to the parts of the book it draws on.