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<!DOCTYPE html> <html> <body> <h2>JavaScript Object Constructors</h2> <p id="demo"></p> <script> const x1 = new String(); // A new String object const x2 = new Number(); // A new Number object const x3 = new Boolean(); // A new Boolean object const x4 = new Object(); // A new Object object const x5 = new Array(); // A new Array object const x6 = new RegExp(); // A new RegExp object const x7 = new Function(); // A new Function object const x8 = new Date(); // A new Date object // Display the type of all objects document.getElementById("demo").innerHTML = "x1: " + typeof x1 + "<br>" + "x2: " + typeof x2 + "<br>" + "x3: " + typeof x3 + "<br>" + "x4: " + typeof x4 + "<br>" + "x5: " + typeof x5 + "<br>" + "x6: " + typeof x6 + "<br>" + "x7: " + typeof x7 + "<br>" + "x8: " + typeof x8 + "<br>"; </script> <p>There is no need to use new String(), new Number(), new Boolean(), new Array(), and new RegExp()</p> <p>Use literals instead like: myArray = []</p> </body> <!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_object_constructor_builtin by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:06:52 GMT --> </html>
