he selected lines (not
necessarily the complete text) in pixels.</p></td></tr><tr><th style="width:25%;"><code>height</code></th><td><p>The height of the text of the selected lines (not
necessarily the complete text) in pixels.</p></td></tr><tr><th style="width:25%;"><code>ascent</code></th><td><p>The length from the baseline to the top of the line
height in pixels.</p></td></tr><tr><th style="width:25%;"><code>descent</code></th><td><p>The length from the baseline to the bottom depth of
the line in pixels.