<mover> - MathML 编辑

The MathML <mover> element is used to attach an accent or a limit over an expression. Use the following syntax: <mover> base overscript </mover>

Attributes

accent

If true the over-script is an accent, which is drawn closer to the base expression.
If false (default value) the over-script is a limit over the base expression.

align

The alignment of the over-script. Possible values are: left, center, and right.
This attribute is deprecated and will be removed in the future. Use CSS text-align instead.

class, id, style

Provided for use with stylesheets.

displaystyle

A Boolean value specifying whether more vertical space is used for displayed equations or, if set to false, a more compact layout is used to display formulas. The main effect is that larger versions of operators are displayed, when displaystyle is set to true. See also largeop and movablelimits on <mo>.

href

Used to set a hyperlink to a specified URI.

mathbackground

The background color. You can use #rgb, #rrggbb and HTML color names.

mathcolor

The text color. You can use #rgb, #rrggbb and HTML color names.

Examples

Sample rendering:

Rendering in your browser: $\overbrace{x+y+z}$

<math>

<mover accent="true">
  <mrow>
    <mi> x </mi>
    <mo> + </mo>
    <mi> y </mi>
    <mo> + </mo>
    <mi> z </mi>
  </mrow>
  <mo> &#x23DE; <!--TOP CURLY BRACKET--> </mo>
</mover>

</math>

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• <munder> (Underscript)
• <munderover> (Underscript-overscript pair)