HTML <sub>
Tag
The subscript text displays half a character below the normal line.
Subscripts are usually rendered with a lowered baseline using smaller text.
Subscripts are widely used in chemistry or similar fields.
Global attributes
Global attributes may be applied on all elements, although some elements may have no effect on them.
<accesskey>
,
<class>
,
<contenteditable>
,
<contextmenu>
,
<data-*>
,
<dir>
,
<draggable>
,
<dropzone>
,
<hidden>
,
<id>
,
<lang>
,
<spellcheck>
,
<style>
,
<tabindex>
,
<title>
,
<translate>
.
Global Event Handler Attributes
Global Event Handler attributes may be applied on all elements, although some elements may have no effect on them.
<onabort>
,
<onautocomplete>
,
<onautocompleteerror>
,
<onblur>
,
<oncancel>
,
<oncanplay>
,
<oncanplaythrough>
,
<onchange>
,
<onclick>
,
<onclose>
,
<oncontextmenu>
,
<oncuechange>
,
<ondblclick>
,
<ondrag>
,
<ondragend>
,
<ondragenter>
,
<ondragleave>
,
<ondragover>
,
<ondragstart>
,
<ondrop>
,
<ondurationchange>
,
<onemptied>
,
<onended>
,
<onerror>
,
<onfocus>
,
<oninput>
,
<oninvalid>
,
<onkeydown>
,
<onkeypress>
,
<onkeyup>
,
<onload>
,
<onloadeddata>
,
<onloadedmetadata>
,
<onloadstart>
,
<onmousedown>
,
<onmouseenter>
,
<onmouseleave>
,
<onmousemove>
,
<onmouseout>
,
<onmouseover>
,
<onmouseup>
,
<onmousewheel>
,
<onpause>
,
<onplay>
,
<onplaying>
,
<onprogress>
,
<onratechange>
,
<onreset>
,
<onresize>
,
<onscroll>
,
<onseeked>
,
<onseeking>
,
<onselect>
,
<onshow>
,
<onsort>
,
<onstalled>
,
<onsubmit>
,
<onsuspend>
,
<ontimeupdate>
,
<ontoggle>
,
<onvolumechange>
,
<onwaiting>
.
Learning with HTML Editor "Try it Now"
You can edit the HTML code and view the result using online editor.
Example
<p>This is an example of <sub>subscript</sub> text.</p>
<p>Example: H<sub>2</sub>O, H<sub>2</sub>SO<sub>4</sub></p>
Click on the "Try it Now" button to see how it works.