sample010.html

﻿<!DOCTYPE html><html lang="en"><body><script>

    // instantiate an instance for each native constructor using the new keyword
    var myNumber = new Number(23);
    var myString = new String('male');
    var myBoolean = new Boolean(false);
    var myObject = new Object();
    var myArray = new Array('foo', 'bar');
    var myFunction = new Function("x", "y", "return x*y");
    var myDate = new Date();
    var myRegExp = new RegExp('\bt[a-z]+\b');
    var myError = new Error('Darn!');

    // log/verify which constructor created the object
    console.log(myNumber.constructor); // logs Number()
    console.log(myString.constructor); // logs String()
    console.log(myBoolean.constructor); // logs Boolean()
    console.log(myObject.constructor); // logs Object()
    console.log(myArray.constructor); //logs Array(), in modern browsers
    console.log(myFunction.constructor); // logs Function()
    console.log(myDate.constructor); // logs Date()
    console.log(myRegExp.constructor); // logs RegExp()
    console.log(myError.constructor); // logs Error()

</script></body></html>