How to remove the class "hidden" from all elements with the class "element" using jQuery?

Which jQuery method is used to change the height of all <div> elements to 200 pixels?

A). $('div').height('200px');

B). $('div').setHeight('200px');

C). $('div').css('height', '200px');

D). $('div').style('height', '200px');

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 change the background color of all paragraphs to yellow?

A). $('p').css('background-color', 'yellow');

B). $('p').style('background-color', 'yellow');

C). $('p').bgColor('yellow');

D). $('p').background('yellow');

Which jQuery method is used to change the HTML content of all <div> elements?

A). $('div').innerHtml('

New paragraph

B). $('div').html('

New paragraph

C). $('div').innerHTML('

New paragraph

D). $('div').setContent('

New paragraph

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 change the font size of all elements to 16 pixels using jQuery?

A). $('span').style('font-size', '16px');

B). $('span').fontSize('16px');

C). $('span').css('font-size', '16px');

D). $('span').font('16px');

Which jQuery method is used to add the class 'highlight' to all <div> elements?

A). $('div').addClass('highlight');

B). $('div').class('highlight');

C). $('div').attr('class', 'highlight');

D). $('div').applyClass('highlight');

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');

Which jQuery method is used to change the width of all <div> elements to 300 pixels?

A). $('div').width('300px');

B). $('div').setWidth('300px');

C). $('div').css('width', '300px');

D). $('div').style('width', '300px');

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');