<span class="tagnamecolor" style="box-sizing: inherit; color: brown; font-family: Consolas, Menlo, "courier new", monospace; font-size: 15px;"><span class="tagcolor" style="box-sizing: inherit; color: mediumblue;"><</span>script<span class="tagcolor" style="box-sizing: inherit; color: mediumblue;">></span></span><span class="jscolor" style="box-sizing: inherit; font-family: Consolas, Menlo, "courier new", monospace; font-size: 15px;"><br style="box-sizing: inherit;">document.<span class="jspropertycolor" style="box-sizing: inherit;">getElementById</span>(<span class="jsstringcolor" style="box-sizing: inherit; color: brown;">"demo"</span>).<span class="jspropertycolor" style="box-sizing: inherit;">innerHTML</span> = <span class="jsstringcolor" style="box-sizing: inherit; color: brown;">"Hello JavaScript!"</span>;<br style="box-sizing: inherit;"><span class="jsnumbercolor" style="box-sizing: inherit; color: red;"></span></span><span class="tagnamecolor" style="box-sizing: inherit; color: brown; font-family: Consolas, Menlo, "courier new", monospace; font-size: 15px;"><span class="tagcolor" style="box-sizing: inherit; color: mediumblue;"><</span>/script<span class="tagcolor" style="box-sizing: inherit; color: mediumblue;">></span></span>

with alt text

without alt text

This is pale grey text on a white background

This is white text on a lavender background