How could you read the first character in a string?

What does the following code generate? var x = new Date();

What kind of standard pattern is this code? var x = (function () { var y = 0; return { count: y }; })();

Which statement lets you create custom exceptions?

How do you construct a RegExp object?

Assuming that each code is called with: 'var say = sayHello('Mary Jane');', which one is a closure?

Which will give the option to add inline Ajax for comment posting?

Correct code to get an array of every image uploaded to a particular post?

Which will show the most recent post (by date) from a custom taxonomy?

Which can be used to create a folder if it does not already exist on server through WordPress?

Which is correct for sorting tags of the 'WordPress Tag Cloud', when those tags contain special characters?