DOCTYPE
The first line of your HTML page will contain the DOCTYPE. This is used to tell the browser how the HTML should be interpreted. We'll focus on HTML5 in this book so the first example you see in the following uses the HTML5 DOCTYPE. The two other common doctypes are HTML 4.01 Strict and XHTML 1.0 Strict:
- HTML5:
<!DOCTYPE html>
- HTML 4.01 Strict:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
- XHTML 1.0 Strict:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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