The HTMLOListElement interface provides special properties (beyond those defined on the regular HTMLElement interface it also has available to it by inheritance) for manipulating ordered list elements.


Inherits properties from its parent, HTMLElement.

Is a Boolean value reflecting the reversed and defining if the numbering is descending, that is its value is true, or ascending (false).
Is a long value reflecting the start and defining the value of the first number of the first element of the list.
Is a DOMString value reflecting the type and defining the kind of marker to be used to display. It can have the following values:
  • '1' meaning that decimal numbers are used: 1, 2, 3, 4, 5, …
  • 'a' meaning that the lowercase latin alphabet is used: a, b, c, d, e, …
  • 'A' meaning that the uppercase latin alphabet is used: A, B, C, D, E, …
  • 'i' meaning that the lowercase latin numerals are used: i, ii, iii, iv, v, …
  • 'I' meaning that the uppercase latin numerals are used: I, II, III, IV, V, …
Is a Boolean indicating that spacing between list items should be reduced. This property reflects the compact attribute only, it doesn't consider the line-height CSS property used for that behavior in modern pages.


No specific method; inherits methods from its parent, HTMLElement.


Browser compatibilityUpdate compatibility data on GitHub

Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes Yes 1 Yes Yes Yes
reversed 18 No 18 No No 5
start Yes 12 1 Yes Yes Yes
type Yes 12 1 Yes Yes Yes
compact Yes 12 1 Yes Yes Yes
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes Yes 4 Yes Yes Yes
reversed Yes Yes No 18 No Yes Yes
start Yes Yes Yes 4 Yes Yes Yes
type Yes Yes Yes 4 Yes Yes Yes
compact Yes Yes Yes 4 Yes Yes Yes

See also

  • The HTML element implementing this interface: <ol>.

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