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 change the text content of an HTML element using JavaScript?

A). element.textContent = 'New Content';

B). element.innerText = 'New Content';

C). element.innerHTML = 'New Content';

D). element.value = 'New Content';

How can you change the style (CSS) of an HTML element using JavaScript?

A). element.style.property = 'value';

B). element.setAttribute('style', 'property: value;');

C). element.changeStyle('property: value;');

D). element.setStyle('property: value;');

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 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 set the border color of an HTML element using JavaScript?

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

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

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

D). element.color = 'color';

How can you dynamically change the value of an input element using JavaScript?

A). element.value = 'New Value';

B). element.setAttribute('value', 'New Value');

C). element.setValue('New Value');

D). element.changeValue('New Value');

Which JavaScript method allows you to change the value of an HTML attribute?

A). setAttribute()

B). getAttribute()

C). removeAttribute()

D). createElement()

How can you disable an HTML button using JavaScript?

A). element.disabled = true;

B). element.setAttribute('disabled', 'disabled');

C). element.disable();

D). element.disable = true;

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();