innerText vs innerHTML, textContent

test.html

`<p id="test">    This element    contains <span>an inner span</span>. </p>`

The values of these properties of the "test" paragraph will be:
* innerText: "This element contains an inner span."  :point_left: Just the text, trimmed and space-collapsed.
* innerHtml: " This element     contains <span>an inner span</span>. "  :point_left: All spacing and inner element tags.
* textContent: " This element     contains an inner span. "  :point_left: Spacing, but no tags.