d3 | keypress keyboard events
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This example demonstrates Japanese number characters (zero through nine) and their readings, which update interactively when a user presses a number key or clicks a button. Built with D3.js v3, it binds keyboard events using the Mousetrap library and handles button clicks through D3 selections and the Lodash `times` helper. The `update` function uses D3’s `select` and `html`/`text` methods to change the displayed character and reading, while adjusting button opacity to highlight the active selection.
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MIT Licensed