title: What do you call tags that need no ending tag?
body: <p>There are HTML tags, such as <code>&lt;img /&gt;</code>, <code>&lt;input /&gt;</code> and <code>&lt;button /&gt;</code>, that need no ending tag (<code>&lt;/img&gt;</code>, <code>&lt;/input&gt;</code> and <code>&lt;/button&gt;</code>). What is the term that describes this type of tags?</p>