Q
How can you add an attribute to an HTML element using JavaScript?

Answer & Solution

Answer: Option A
Solution:
To add an attribute to an HTML element using JavaScript, you can use the element.setAttribute('attributeName', 'value') method. This method adds a new attribute ('attributeName') with the specified value ('value') to the element.
Related Questions on Average

How can you set the font size of an HTML element using JavaScript?

A). element.style.fontSize = 'size';

B). element.style.fontsize = 'size';

C). element.fontsize = 'size';

D). element.size = 'size';

How can you remove a CSS class from an HTML element using JavaScript?

A). element.classList.remove('className');

B). element.className = '';

C). element.setAttribute('class', '');

D). element.removeClass('className');

How can you dynamically change the source (URL) of an image element using JavaScript?

A). element.src = 'newimage.jpg';

B). element.setSource('newimage.jpg');

C). element.setAttribute('src', 'newimage.jpg');

D). element.changeSource('newimage.jpg');

How can you set the border width of an HTML element using JavaScript?

A). element.style.borderWidth = 'width';

B). element.style.border.width = 'width';

C). element.border.width = 'width';

D). element.width = 'width';

How can you set the background color of an HTML element using JavaScript?

A). element.style.backgroundColor = 'color';

B). element.style.background = 'color';

C). element.background = 'color';

D). element.style.color = 'color';

How can you set the text alignment of an HTML element using JavaScript?

A). element.style.textAlign = 'alignment';

B). element.style.align = 'alignment';

C). element.textAlign = 'alignment';

D). element.align = 'alignment';

How can you add a CSS class to an HTML element using JavaScript?

A). element.classList.add('className');

B). element.className = 'className';

C). element.setAttribute('class', 'className');

D). element.addClass('className');

How can you set the font color of an HTML element using JavaScript?

A). element.style.color = 'color';

B). element.style.fontColor = 'color';

C). element.fontColor = 'color';

D). element.color = 'color';

How can you show a hidden HTML element using JavaScript?

A). element.style.display = 'block';

B). element.style.visibility = 'visible';

C). element.visible = true;

D). element.style.opacity = 1;

How can you remove an attribute from an HTML element using JavaScript?

A). element.removeAttribute('attributeName');

B). element.attributeName = '';

C). element.removeAttribute('attributeName', 'value');

D). element.attributeName.remove();