Consider parsing a URL with the following code snippet?

var reg = /(\w+):\/\/([\w.]+)\/(\S*)/; var url = "http://www.myblog.com/"; var result = url.match(reg); if (result != null) { var path = result[1]; }

What's the output? X = 50 / 'Apple'; alert(x);

Which is not a valid JavaScript variable name?

Correct syntax to create a new object ‘car’ with the following attributes? Color = red Model = 2016 Weight = 500kg

What's the output? function sayHello() { 'user strict' for (x = 0; x < 10; x++) console.log(Hi John!');} sayHelo();

What's the output? function User(name) { this.name = name || 'Mike'; } var usr = new User('VRU')['location'] = 'John';

The “var” and “function” are

JavaScript only hoists declarations, not initializations.

var x = 3 && 4; What is x?

If we don’t want the script to write page content, under which HTML tag should the JS tag be placed?

What's the output? var x = 8 + 8 + '8' + 8 + 8; console.log(x);