Which jQuery method is used to change the height of all

elements to 200 pixels?

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');

How to set the value of the placeholder attribute to 'Enter text' for all <input> elements using jQuery?

A). $('input').placeholder('Enter text');

B). $('input').setAttribute('placeholder', 'Enter text');

C). $('input').attr('placeholder', 'Enter text');

D). $('input').attr('placeholder', 'Enter text');

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');

How to change the text content of all <h1> elements to 'New Heading' using jQuery?

A). $('h1').html('New Heading');

B). $('h1').textContent = 'New Heading';

C). $('h1').text('New Heading');

D). $('h1').innerText('New Heading');

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 change the alt attribute of all <img> elements to 'New Image' using jQuery?

A). $('img').alt('New Image');

B). $('img').setAttribute('alt', 'New Image');

C). $('img').attr('alt', 'New Image');

D). $('img').setAttr('alt', 'New Image');

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 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 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;

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');