<msub> tag is used to draw subscript to an expression.
Here is the simple syntax to use this tag −
<msub> base subscript </msub>
Here is the description of all the parameters of this tag −
base − base expression on which the subscript is to be drawn.
subscript − subscript.
Here is the description of all the attributes of this tag −
subscriptshift − To specify the minimum space to shift the subscript below the baseline of the expression.
class, id, style − Used with stylesheets.
href − To specify a hyperlink to a specified uri.
mathbackground − To specify the background color. Valid formats are #rgb, #rrggbb and html color names.
mathcolor − To specify the text color. Valid formats are #rgb, #rrggbb and html color names.
Let's draw a subscript.
<math xmlns = "http://www.w3.org/1998/Math/MathML"> <msub> <mi>x</mi> <mn>1</mn> </msub> </math>