MathML Overscript

MathML overscript is created with <mover> element. It attaches an accent or a limit over an expression.

Syntax:

1. <mover> base overscript </mover>   

Example

To write the following expression:

Equivalent MathML code:

1. <math xmlns=’http://www.w3.org/1998/Math/MathML’ display=’block’>    
2. <mover accent=”true”>    
3.   <mrow>    
4.     <mi> x </mi>    
5.     <mo> + </mo>    
6.     <mi> y </mi>    
7.     <mo> + </mo>    
8.     <mi> z </mi>    
9.   </mrow>    
10.   <mo>    ⏞ <!– Top Curly braces  –>  
11.  </mo>    
12. </mover>     
13. </math>    

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Attributes of Overscript Element

index	Attribute	Description
1)	accent	If it is set 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.
2)	align	It is used to specify the alignment of the over-script. Its possible values are: left, center, and right.
3)	class, id, style	These are used with stylesheets.
4)	href	It is used to set a hyperlink to a specified URI.
5)	mathbackground	It is used to specify background color. You can use #rgb, #rrggbb and html color names.
6)	mathcolor	It is used to set text color. You can use #rgb, #rrggbb and html color names.

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Supporting Browsers:

Element	Chrome	IE	Firefox (Gecko)	Opera	Safari
<mover>	Not Supported	Not Supported	Supported	Not Supported	Only Basic Support