<var>: The Variable element
The <var> HTML element represents the name of a variable in a mathematical expression or a programming context. It's typically presented using an italicized version of the current typeface, although that behavior is browser-dependent.
| Content categories | Flow content, phrasing content, palpable content. |
|---|---|
| Permitted content | Phrasing content. |
| Tag omission | None, both the starting and ending tag are mandatory. |
| Permitted parents | Any element that accepts phrasing content. |
| Implicit ARIA role | No corresponding role |
| Permitted ARIA roles | Any |
| DOM interface | HTMLElement |
Attributes
This element only includes the global attributes.
Usage notes
Related elements
Other elements that are used in contexts in which <var> is commonly used include:
<code>: The HTML Code element<kbd>: The HTML Keyboard input element<samp>: The HTML Sample Output element
If you encounter code that is mistakenly using <var> for style purposes rather than semantic purposes, you should either use a <span> with appropriate CSS or, an appropriate semantic element among the following:
Default style
Most browsers apply font-style to "italic" when rendering <var>. This can be overridden in CSS, like this:
var {
font-style: normal;
}
Examples
Basic example
Here's a simple example, using <var> to denote variable names in a mathematical equation.
<p>A simple equation:
<var>x</var> = <var>y</var> + 2 </p>
The output:
Overriding the default style
Using CSS, you can override the default style for the <var> element. In this example, variable names are rendered using bold Courier if it's available, otherwise it falls back to the default monospace font.
CSS
var {
font: bold 15px "Courier", "Courier New", monospace;
}
HTML
<p>The variables <var>minSpeed</var> and <var>maxSpeed</var> control
the minimum and maximum speed of the apparatus in revolutions
per minute (RPM).</p>
This HTML uses <var> to enclose the names of two variables.
Result
Specifications
| Specification |
|---|
| HTML Standard (HTML) # the-var-element |
Browser compatibility
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