What method can't be used with a window object?

What's the output? (function() { var objl = new Object({name: 'Jacob'}); var obj2 = new Object({name: 'Alex'}); console.log(objl == obj2); console.log(objl === obj2);

The following are sample codes on how to merge properties of two JavaScript objects dynamically: var objl = { food: var obj2 = { animal: 'dog' }

Which will change the color of a paragraph’s text to blue when a user hovers over it, and reset it back to black when the user hovers out?

Which code will create the Boolean object with an initial value of true?

What's the output? var odnum = false; function calculateRes(num) { if (num % 5 == 0) { odnum = false; } else { odnum = true; } }; calculateRes(6);

What will: typeof typeof(null) return?

True or false ? typeof(null) == typeof(undefined)

Evaluate: '10' - (17).toString()

What's the output? console.log(1 + '1' - 1);

Which String prototype method takes a regular expression?