What does this line display? alert(typeof(Array));

What's the output? console.log('papa'.replace('p', 'm'));

The enumeration order becomes implementation dependent and non-interoperable if :

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

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

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

What's the output? ? var val = 'var global'; function constructFun() { var scope = 'var local'; return new Function('return val'); } constructFun()());

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

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

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

Which is not a valid JavaScript variable name?