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');
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 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 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');
Which jQuery method is used to set the value of the title attribute to 'New Title' for all elements?
A). $('a').attr('title', 'New Title');
B). $('a').title('New Title');
C). $('a').setAttribute('title', 'New Title');
D). $('a').titleAttr('New Title');
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');
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');
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 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');