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sample011.html
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sample011.html
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<!DOCTYPE html><html lang="en"><body><script>
var myNumber = new Number(23); // an object
var myNumberLiteral = 23; // primitive number value, not an object
var myString = new String('male'); // an object
var myStringLiteral = 'male'; // primitive string value, not an object
var myBoolean = new Boolean(false); // an object
var myBooleanLiteral = false; // primitive boolean value, not an object
var myObject = new Object();
var myObjectLiteral = {};
var myArray = new Array('foo', 'bar');
var myArrayLiteral = ['foo', 'bar'];
var myFunction = new Function("x", "y", "return x*y");
var myFunctionLiteral = function (x, y) { return x * y };
var myRegExp = new RegExp('\bt[a-z]+\b');
var myRegExpLiteral = /\bt[a-z]+\b/;
// verify that literals are created from same constructor
console.log(myNumber.constructor, myNumberLiteral.constructor);
console.log(myString.constructor, myStringLiteral.constructor);
console.log(myBoolean.constructor, myBooleanLiteral.constructor);
console.log(myObject.constructor, myObjectLiteral.constructor);
console.log(myArray.constructor, myArrayLiteral.constructor);
console.log(myFunction.constructor, myFunctionLiteral.constructor);
console.log(myRegExp.constructor, myRegExpLiteral.constructor);
</script></body></html>