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<html><body><h1>JavaScript Properties</h1><h2>The constructor Property</h2><p>The constructor property returns the constructor function for a variable or an object.</p><p id="demo"></p><script>document.getElementById("demo").innerHTML = "john".constructor + "<br>" + (3.14).constructor + "<br>" + false.constructor + "<br>" + 1234n.constructor + "<br>" + {}.constructor + "<br>" + [].constructor + "<br>" + new Date().constructor + "<br>" + new Set().constructor + "<br>" + new Map().constructor + "<br>" + function () {}.constructor;</script></body></html>