What the value will be returned as a result of this function call? function foo () { return true ? false : null; };

Javascript primitives are literal objects.

What will .append() do in vanilla JavaScript?

Result of the following equality operations? '' == '0' 0 == '' 0 == '0'

Which dialog box is useful when you want to pop-up a text box to get user input?

What's the output? (function(){ var a = b = 3; })(); console.log(' a defined? ' + (typeof a !== 'undefined'));)) console.log(' b defined? ' + (typeof b !== 'undefined'));))

Image size limits can be set .....

User Level 7 converts to .... ?

From which version of WordPress can you choose your username during the installation process?

Correct way to change the admin URL to something else other than wp-admin?

Which theme file can be used to customize the 'page not found error' error page?