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<html><body><h1>JavaScript Operators</h1><h2>The typeof Operator</h2><p>The typeof operator returns the type of a variable or an expression.</p><p id="demo"></p><script>document.getElementById("demo").innerHTML = typeof 0 + "<br>" + typeof 314 + "<br>" +typeof 3.14 + "<br>" +typeof (3) + "<br>" +typeof (3 + 4);</script></body></html>