tly</strong> generates the underlying plotly.js figure is a useful introduction to plotly.js itself, and knowledge of plotly.js becomes useful when you need more flexible control over <strong>plotly</strong>. As Figure <a href="overview.html#fig:intro-printing">2.5</a> illustrates, when you print any <strong>plotly</strong> object, the <code>plotly_build()</code> function is applied to that object, and that generates an R list which adheres to a syntax that plotly.js understands. This syntax is a JavaScript