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<html><body><h1>JavaScript Variables</h1><p>Strings are written with quotes.</p><p>Numbers are written without quotes.</p><p id="demo"></p><script>const pi = 3.14;let person = "John Doe";let answer = 'Yes I am!';document.getElementById("demo").innerHTML =pi + "<br>" + person + "<br>" + answer;</script></body></html>