No-Library (pure JS), HTML, CSS, JavaScript
Highlighted X-axis tick text
D3 5.9.2, HTML, CSS, JavaScript
D3 3.x, HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript
https://observablehq.com/@d3/contours
No-Library (pure JS), HTML, CSS, Babel + JSX
Vue 2.2.1, HTML, CSS, JavaScript