Understand the pretext.js (pretextjs) pipeline — how prepare() and layout() work together for fast, reflow-free JavaScript text measurement. Pure arithmetic text layout explained step by step.
This page is part of Learn Pretext — interactive tutorials and live demos for pretext.js, the zero-dependency JavaScript text measurement library by Cheng Lou. New to the library? Start with the pretext.js tutorial, read why pretext exists, or browse the API reference. Enable JavaScript to run the live interactive demo and view its annotated source code.