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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/bootstrap.min.css"> <script src="/lib/jquery-1.12.2.min.js"></script> <script src="/lib/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Code</h2> <p>To indicate variables, use the var element:</p> <p><var>x</var> = <var>a</var><var>b</var> + <var>y</var></p> </div> </body> </html>