When reserved words are used as keys in object literals they must be ______?

What does the following return? Number(null);

Given the following code: var myVar = '5' var myAddedVar = myVar + 10; What is the value of (myAddedVar.constructor === Number)?

Difference between the two declaration methods below? var functionOne = function() { /* some code */ } function functionTwo() { /* some code */ }

What is the output? var one; var two = null; console.log(one == two, one === two);

Which is NOT a valid way to write a loop that will iterate over the values in the array in variable 'myArray'?

Arrow function expression has a shorter syntax than a function expression and does not bind its own as follow?

Which will return true?

How can you set DOM element style assuming there is an element with id='id'?

The Promise is created. When will it resolve?

How can you remove spaces, tabs and line terminator characters around the string? String is defined like this: let string = 'hey'