Simple word count

Bike Outliner
2

And FWIW a variant, very fractionally faster, could use the JavaScript Array.reduce pattern.

Expand disclosure triangle to view JS Source 
(() => {
    "use strict";

    // Word count for Bike
    // Rob Trew @2022
    // Ver 0.3
    const
        bike = Application("Bike"),
        frontDoc = bike.documents.at(0),
        space = /\s+/gu;

    return frontDoc.exists(0) ? (() => {
        const
            n = frontDoc.rows.name().reduce(
                (sofar, para) => sofar + (
                    para.split(space).length
                ),
                0
            );

        return `${n} words in ${frontDoc.name()}`;
    })() : "No documents open in Bike.";
})();

Array.prototype.reduce() - JavaScript | MDN

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