Building a Data-Driven Chart UI with Zero JavaScript (Pure CSS + FSCSS)

Most modern web charts rely on heavy JavaScript libraries. While powerful, they often come with a performance cost and complex integration steps. What if you could build a fully styled, data-driven chart UI using Pure CSS? By using FSCSS and its utility system, st-core (statistic core)_, we can transform raw data into visual interfaces directly within our stylesheets. 1. The Setup First, include the FSCSS runtime and import the st-core helpers. <script src="https://cdn.jsdelivr.net/npm/[email protected]/exec.min.js" async></script> <style> @import((*) from st-core) /* Initialize design tokens, layout base, and colors */ @st-root() @st-container(body) </style> 2. Attaching the Components st-core.fscss uses directive-like helpers to generate the complex logic needed for backgrounds, lines, and markers. @st-chart-fill(.chart-fill) /* Area under the line */ @st-chart-line(.chart-line) /* The actual trend line */ @st-chart-dot(.chart-dot, 70, 60) /* Data point marker at x