Answer & Solution
$('p').css('background-color', 'yellow');
$('p').css('background-color', 'yellow');
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 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 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 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 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). $('input').attr('placeholder', 'Enter text');
Which jQuery method is used to change the HTML content of all <div> elements?
A). New paragraph$('div').innerHtml('
B). New paragraph$('div').html('
C). New paragraph$('div').innerHTML('
D). New paragraph$('div').setContent('
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 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 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 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();