Is it possible to access a hidden JavaScript variable in Selenium?

Is there a way to extract the array "o" that contains data used for drawing a polygon? Simply using driver.execute("return o") or console.log doesn't seem to work. Any suggestions on how to achieve this?

const zt = function(e, t, n, r) {
            const i = r.playerId
              , {subscribe: a} = de.get(r.playerId)
              , o = r.hotspots
              , s = Ce(`#${f}skin_desktop .${f}svg_hotspots`)
              , l = 100;
            let d = null
              , c = "";
            if (!s || o.data.length <= 2)
                return;
            const {is: p, browser: u} = H.get()
              , g = p.ie || p.edge && u.version <= 18;
            o.data.splice(0, 2);
            const m = o.data.length
              , h = 1e3 / (m - 1)
              , _ = Math.max.apply(null, o.data) / l
              , v = (s.firstChild || s.content.firstChild).cloneNode(!0);
            v.getElementsByTagName("clipPath")[0].setAttribute("id", i + "_hotspotsClip"),
            v.getElementsByTagName("g")[0].setAttribute("clip-path", "url(#" + i + "_hotspotsClip)"),
            n.appendChild(v),
            d = Ce(t.polygon);
            const b = Ce(t.container)
              , y = Ce(t.progress);
            y.setAttribute("fill", o.chartColor),
            b.style.height = o.chartHeight;
            for (let f = 0; f < m; f++) {
                const e = parseInt(o.data[f], 10);
                c += h * f + "," + (l - Math.floor(e / _)) + " "
            }
            function A() {
                St(b, "visible")
            }.....

Answer №1

In specific circumstances, it may be possible to access the content. The challenge lies in the fact that the variable o is confined within a function, preventing external access. To retrieve the information, one would likely need to locate the function within the webpage, modify it accordingly, and find a way to execute it. If the function only runs on page load, obtaining the desired data may prove difficult. However, if there is a user-triggered event like a Submit button, it could potentially display the information you seek.

Answer №2

To make this possible, you can adjust the code by assigning the value of 'o' to a property within the window object. For instance, simply include the line below after defining the 'o' variable:

window.myPolygonData = o;

Subsequently, in your Selenium automation script, you have the option to run JavaScript to access the contents of the window.myPolygonData property:

from selenium import webdriver

# ... initialize the webdriver and go to the specified page

polygon_data = driver.execute_script("return window.myPolygonData")
print(polygon_data)

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