The lessons demonstrate to enter a <br/> for a line break. I noticed that I accidentally forgot to add the / at the end of <br>. This didn't seem to effect the HTML? Is this true throughout all HTML?
In HTML (up to HTML 4): use <br> In HTML 5: <br> is preferred, but <br/> and <br /> is also acceptable. In XHTML: <br /> is preferred. Can also use <br/> or <br></br>. In HTML, the <br> tag has no end tag. In XHTML, the <br> tag must be properly closed, like this: <br />. FOR MORE: https://stackoverflow.com/questions/1946426/html-5-is-it-br-br-or-br
<br> → HTML <br /> → XHTML
this is called the self ending tag...... You can see the same syntax of img tag also....... "/" after br and img is optional at all...... <br> will give same output as <br />