How to change the color of all paragraphs to red 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');

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 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');

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();

How to change the font color of all <span> elements to blue using jQuery?

A). $('span').fontColor('blue');

B). $('span').color('blue');

C). $('span').css('color', 'blue');

D). $('span').style('color', 'blue');

Which jQuery method is used to set the value of the title attribute to 'New Title' for all elements?

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');

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 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 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');