The Heading Calculator subcomponent is used by the Table of Contents Model Builder to calculate and return the level of heading elements.
Do not use this component directly. The information on this page should be use when customizing Table of Contents.
Table of Contents Model Builder
Table of Contents API
An array of heading elements presented in the order from the first level to the last level.
An array of heading elements presented in the order from the first level to the last level. The level of the heading element "H1" is 1, "H2" is 2, and so on.
["H1", "H2", "H3", "H4", "H5", "H6"]