8-6" role="tooltip" class="error-tooltip">Property 'heigth' does not exist on type '{ width: number; height: number; }'. Did you mean 'height'?</span></span>;<hr class="error-divider"><div class="listed-error"><div class="error-line">Property 'heigth' does not exist on type '{ width: number; height: number; }'. Did you mean 'height'?</div></div></pre></p>
<h3 id="a-typed-superset-of-javascript"><a href="#a-typed-superset-of-javascript">A Typed Superset of JavaScript</h3></a>
<p>How does TypeScript relate to