Q
How to select the element with the ID 'header' using jQuery?

Answer & Solution

Answer: Option A
Solution:
$('#header').show(); selects the element with the ID 'header' and shows it.
Related Questions on Average

What does the selector $('ul li') select in jQuery?

A). All <ul> elements

B). All <li> elements in the document

C). All <li> elements within <ul> elements

D). All elements within <ul> elements

How to select elements by their tag name using jQuery?

A). $('.tagname')

B). $('tagname')

C). $('element:tagname')

D). $('[tagname]')

Which jQuery selector targets elements that are descendants of a specified parent element?

A). $('parent + child')

B). $('parent > child')

C). $('parent child')

D). $('parent ~ child')

How to select the first

  • element within a
      using jQuery?

      A). $('ul li').first();

      B). $('ul > li').first();

      C). $('li:first-child');

      D). $('ul').first().find('li');

  • How to select elements with a specific attribute and value using jQuery?

    A). $('[attribute=value]')

    B). $('attribute=value')

    C). $('element[attribute=value]')

    D). $('.attribute=value')

    What does the selector $('p.intro') select in jQuery?

    A). All <p> elements with the class 'intro'

    B). All <p> elements in the document

    C). All elements with the class 'intro'

    D). All elements with the tag name 'intro'

    How to select all elements with a specific class using jQuery?

    A). $('.classname')

    B). $('classname')

    C). $('element.classname')

    D). $('[classname]')

    How to select elements with a specific attribute that begins with a certain value using jQuery?

    A). $('[attribute^=value]')

    B). $('attribute^=value')

    C). $('element[attribute^=value]')

    D). $('.attribute^=value')

    Which jQuery selector is used to select elements by their class?

    A). .selectByClass('classname')

    B). $('class:classname')

    C). $('classname')

    D). $('.classname')

    How to select the first element within a set of matched elements using jQuery?

    A). $('element:first')

    B). $('element').first();

    C). $('element').eq(0);

    D). $('element').first();