Javascript DOM Manipulation Quiz eng

What is the purpose of DOM manipulation in Javascript?

• To play audio files

• To calculate mathematical equations

• To create 3D animations

• To dynamically change the content, structure, and style of a web page.

How do you select an element using its id in Javascript?

• document.selectElementById()

• document.findElementById()

• getElementById()

• document.getElementById()

Explain the process of adding an attribute to an HTML element using Javascript.

• element.add('attributeName', 'attributeValue');

• element.attributeName = 'attributeValue';

• element.setAttribute('attributeName', 'attributeValue');

• element.attribute('attributeName', 'attributeValue');

What are the different methods to work with classes in Javascript DOM manipulation?

• getElementById, getElementsByClassName, querySelector, querySelectorAll

• addAttribute, getElementsByClassName, querySelector, querySelectorAll

• removeElement, getElementsByClassName, querySelector, querySelectorAll

• changeStyle

How can you change the style of an HTML element using Javascript?

• element.style.property = newValue;

• element.style.change = value;

• element.style.property = value;

• element.style.modify = newStyle;

Explain the process of getting the input value from a form using Javascript.

• Use the getElementById method to access the form element and retrieve the value using the value property.

• Use the getElementsByClassName method to access the form element and retrieve the value using the text property.

• Use the querySelector method to access the form element and retrieve the value using the innerHTML property.

• Use the getElementById method to access the form element and retrieve the value using the innerText property.

What is the difference between innerText and innerHTML in Javascript?

• innerText gets the HTML content, innerHTML gets the text content

• innerText gets the text content, innerHTML gets the HTML content

• innerText and innerHTML are the same thing

• innerText is used for styling, innerHTML is used for text manipulation

How do you create a new HTML element using Javascript?

• document.createElement()

• element.create()

• createNewElement()

• document.newElement()

Explain the concept of event handling in Javascript DOM manipulation.

• Event handling in JavaScript DOM manipulation is the process of capturing and responding to user interactions with the web page, such as clicks, mouse movements, and keyboard inputs.

• Event handling in JavaScript DOM manipulation is the process of creating animations on the webpage.

• Event handling in JavaScript DOM manipulation is the process of changing the color of the webpage.

• Event handling in JavaScript DOM manipulation is the process of adding new elements to the webpage.

Explain the process of removing an attribute from an HTML element using Javascript.

• element.removeAttribute('attributeName');

• element.remove('attributeName');

• element.attributeName = null;

• element.removeAttribute('attributeName', 'attributeValue');