If an image is placed styled with z-index=-1 and a text paragraph is overlapped with it, which one will be displayed on top?

What value would JavaScript assign to an uninitialized array element?

Which one checks if an object has a specific property?

Which correctly explains the difference between a 'for...in' and a 'for' loop?

What's the output? document.alinkColor='green'

Select the following function that shuffles an array?

Which one returns current millisecond count?

To define var1 = 'AAAAAAAAAAAAAAAAAAAA' //20 times A Which of the following could be used

In the HTML code a div is present

When iterating through an objects properties, which function should be used to check each property?

The output for the code would be var a=5 , b=1 var obj = { a : 10 } with(obj) { alert(b) }