loadPage("file:///res/html/misc/innertext_textcontent.html"); afterInitialPageLoad(() => { test("Node.textContent", () => { var p = document.getElementsByTagName("p")[0]; expect(p.textContent).toBe("This is a very small test page :^)"); expect(p.firstChild.textContent).toBe("This is a "); expect(p.firstChild.firstChild).toBe(null); p.firstChild.textContent = "foo"; expect(p.firstChild.textContent).toBe("foo"); expect(p.firstChild.firstChild).toBe(null); expect(p.textContent).toBe("foovery small test page :^)"); p.textContent = "bar"; expect(p.textContent).toBe("bar"); expect(p.firstChild.textContent).toBe("bar"); expect(p.firstChild.firstChild).toBe(null); var p = document.getElementById("source"); expect(p.textContent).toBe(` #source { color: red; } #text { text-transform: uppercase; } Take a look athow this textis interpreted below. HIDDEN TEXT `); }); });