extraction

Pull out a single hex digit from a value by its 0-based position, counted from the left.

Pull every heading out of a Markdown document as an indented outline.

List every unique element tag name in a document, once each, in first-seen order.

List every leaf text value in a document, labeled with its element path, in document order.

List the text of every XML comment in a document, in document order.

Pick the digit at a given position (from the left) out of every integer in a list.

Extract a range of items using exact JavaScript Array.prototype.slice(start, end) semantics.

Extract items from a 1-based inclusive start index to end index, clamping out-of-range bounds.