Apply f to every subpart of an expression:

Alternative input form:

Apply h to every subpart in associations:

MapAll can be used on expressions with any head:

The function can be mapped onto the heads as well:

MapAll can be used on sparse arrays:

Show nesting structure of an expression:

Leaves are visited before roots:

MapAll is equivalent to a specific level specification in Map:

MapAll maps also around the whole expression; Map[f,expr,∞] does not: