Answer & Solution
$('span').css('color', 'blue');
<span> elements to blue using jQuery?
$('span').css('color', 'blue');
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');
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 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 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 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 color of all paragraphs to red using jQuery?
A). $('p').style('color', 'red');
B). $('p').css('color', 'red');
C). $('p').color('red');
D). $('p').setColor('red');
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');
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');