{"version":"1.0","type":"rich","title":"Stopwatch","description":"A digital stopwatch displays elapsed time in hours, minutes, and seconds, updating every second with a monospace font. The page uses D3.js selection and formatting APIs—specifically `d3.select` and `d3.format`—to update the text content of the body element. A `setInterval` callback increments a counter each second, and the formatted time is rendered as a colon-separated string.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/fda2f006e4d443ebb5aec1b5e04d47dd?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}