Question

Consider following HTML snippet:



   first paragraph

   
second paragraph

   
third paragraph

What is the correct jQuery code to set the background color of second

element to red?

Cosmo · Accepted Answer

nth-child() selects all elements that are the nth-child of their parent.
example:
$("p:nth-child(3)") select all third child element

Cosmo · Accepted Answer

$("p:nth-child(2)").css("background-color","red");

Cosmo · Answer

$("p:second").css("background-color","red");

Cosmo · Answer

$("p > second").css("background-color","red");

Cosmo · Answer

$("p:child(2)").css("background-color","red");