How to set the value of the placeholder attribute to "Enter text" for all elements using jQuery?

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');

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)');

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');

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

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 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 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 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 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