How to Add a Tooltip in HTML. A tooltip is a handy means of providing textual instruction to your Web page visitor and is accomplished in HTML by using a "title" attribute.

This creates a new HTML element (for a line break, this would be a BR). Then you just need to decide what element you want to attach it to (which he did by using getElementByID).<BR><BR><pre class ...

So what are JSX components, beyond being a way to add HTML to JavaScript? As Eric Elliott wrote in JavaScript Scene in 2015, “JSX looks like an abomination—but it’s good for you.” ...

Always test your pages using Google’s own tools and third-party resources to view the rendered HTML to make sure all your content is showing up.