recursive search the window like deep(window, 3500, 'window')

deepSearch.js

function deep(o, q, p = '.', d = 0, s = new Set()) {
    try {
        if (d > 5 || s.has(o)) {
            console.log('depth met or seen', s.has(o), d)
        } else if (Array.isArray(o)) {
            s.add(o)
            return [].concat(...o.map((a, b) => deep.apply(this, [a, q, p + ['[', ']'].join(b), d + 1, s])))
        } else if (o instanceof Object) {
            s.add(o)
            return [].concat(...Object.keys(o).map((a, b) => deep.apply(this, [o[a], q, [p, a].join('.'), d + 1, s])))
        } else {
            if (o && ((typeof q == 'function') ? q(o) : (o.toString().indexOf(q) > -1))) {
                return [p]
            } else {
                console.log(o, ' didnt match ', q)
            }
        }
    } catch (e) {
        console.log('caught err:', e)
    }
    return []
}