listStyleType

This property is used to define or change the style of the bullets within the list to be displayed. Valid values are as follows:

For UL Lists (Unordered Lists):
circle
disc
square

For OL Lists (Ordered Lists):
decimal
lower-alpha
lower-roman
upper-alpha
upper-roman

syntax:

document.all.elementID.style.listStyleType = "value"

This Property is used to access attributes of the following:

style
tags