Answer & Solution
$('img').attr('alt', 'New Image');
<img> elements to 'New Image' using jQuery?
$('img').attr('alt', 'New Image');
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 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 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;
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 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 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 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');
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 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 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');