Fork of Blank Slate with Hot Reloading
This example demonstrates the VizHub Version 3 runtime's "Hello World" starting point, showing a centered "Hello World!" text element whose font size is an adjustable value. The code exports a `main` function that takes a `container` DIV and sets its `innerHTML` property, with the font size controlled by a numeric constant. The example highlights the platform's interactive widget feature, where holding the Alt key and dragging the number in the editor provides continuous hot reloading and immediate visual feedback. It uses no external libraries, relying solely on the browser's DOM API and VizHub's runtime environment for state management.