Answer & Solution
Answer: Option C
Solution:
$('span').css('font-size', '16px');
Q
How to change the font size of all elements to 16 pixels using jQuery?
Related Questions on Average
How to remove the class 'hidden' from all elements with the class 'element' using jQuery?
A). $('.element').removeClass('hidden');
B). $('.element').remove('hidden');
C). $('.element').deleteClass('hidden');
D). $('.element').removeClassName('hidden');
Which jQuery method is used to change the HTML content of all <div> elements?
A). New paragraph$('div').innerHtml('
B). New paragraph$('div').html('
C). New paragraph$('div').innerHTML('
D). New paragraph$('div').setContent('
How to remove the href attribute from all anchor elements using jQuery?
A). $('a').removeAttr('href');
B). $('a').removeAttr('href');
C). $('a').deleteAttr('href');
D). $('a').removeAttribute('href');
How to change the src attribute of an<img> element using jQuery?
A). $('img').attr('src', 'newimage.jpg');
B). $('img').src = 'newimage.jpg';
C). $('img').setAttribute('src', 'newimage.jpg');
D). $('img').srcAttr('newimage.jpg');
Which jQuery method is used to set the value of the title attribute to 'New Title' for all elements?
A). $('a').attr('title', 'New Title');
B). $('a').title('New Title');
C). $('a').setAttribute('title', 'New Title');
D). $('a').titleAttr('New Title');
Which jQuery method is used to change the font weight of all<h2> elements to bold?
A). $('h2').style('font-weight', 'bold');
B). $('h2').fontWeight('bold');
C). $('h2').css('font-weight', 'bold');
D). $('h2').bold();
Which jQuery method is used to change the opacity of all <div> elements to 0.5?
A). $('div').setOpacity(0.5);
B). $('div').opacity(0.5);
C). $('div').css('opacity', 0.5);
D). $('div').opacity = 0.5;
How to change the font family of all<p> elements to 'Arial' using jQuery?
A). $('p').style('font-family', 'Arial');
B). $('p').fontFamily('Arial');
C). $('p').css('font-family', 'Arial');
D). $('p').font('Arial');
Which jQuery method is used to change the background image of all <div> elements?
A). $('div').bgImage('url(image.jpg)');
B). $('div').css('background-image', 'url(image.jpg)');
C). $('div').background('url(image.jpg)');
D). $('div').setImage('url(image.jpg)');
How to add the class 'active' to all<li> elements within a<ul> using jQuery?
A). $('ul li').setAttribute('class', 'active');
B). $('ul li').add('active');
C). $('ul li').addClass('active');
D). $('ul li').setAttribute('class', 'active');