Widely Available
HTML elements
id: sub-sup
<sub> and <sup>
The
<sub> and <sup> elements sets inline text to be displayed as subscript or superscript for solely typographical reasons.
Baseline Status:
Achieved Widely Available on Jan 29, 2018 (Cross-browser Newly Available since Jul 29, 2015).
Desktop Browser Engine Support
Google Chrome
1
Supported
Mozilla Firefox
1
Supported
Apple Safari
≤4
Supported
Microsoft Edge
12
Supported
Mobile Browser Engine Support
Chrome Android
18
Firefox Android
4
Safari iOS
≤3.2
Specifications and References
MDN Browser Compat Data Keys: