Manipulating Elements

Changing Content

• innerHTML: Gets or sets the HTML content inside an element.

element.innerHTML = '<p>New Content</p>';

• textContent: Gets or sets the text content of an element.

element.textContent = 'New Text';

• innerText: Similar to textContent but takes into account CSS styling.

element.innerText = 'New Text';

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Changing Attributes

• getAttribute(): Gets the value of an attribute on the specified element.

const value = element.getAttribute('src');

• setAttribute(): Sets the value of an attribute on the specified element.

element.setAttribute('src', 'newImage.jpg');

• removeAttribute(): Removes an attribute from the specified element.

element.removeAttribute('src');

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Changing Styles

• Using the style Property: Directly manipulate an element's inline styles.

element.style.color = 'red';
element.style.fontSize = '20px';

• Using classList Methods:

• add: Adds a class to an element.
  

element.classList.add('newClass');

• remove: Removes a class from an element.

element.classList.remove('oldClass');

• toggle: Toggles a class on an element.

element.classList.toggle('activeClass');

• contains: Checks if an element contains a specific class.

element.classList.contains('someClass');

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Creating and Inserting Elements

• createElement(): Creates a new element.

const newElement = document.createElement('div');

• appendChild(): Appends a child element to a parent element.

parentElement.appendChild(newElement);

• insertBefore(): Inserts an element before a specified child of a parent element.

parentElement.insertBefore(newElement, referenceElement);

• insertAdjacentHTML(): Inserts HTML text into a specified position.

element.insertAdjacentHTML('beforebegin', '<p>Before</p>');
element.insertAdjacentHTML('afterbegin', '<p>Start</p>');
element.insertAdjacentHTML('beforeend', '<p>End</p>');
element.insertAdjacentHTML('afterend', '<p>After</p>');

• append() and prepend(): Inserts nodes or text at the end or beginning of an element.

parentElement.append(newElement, 'Some text');
parentElement.prepend(newElement, 'Some text');

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Removing Elements

• removeChild(): Removes a child element from a parent element.

parentElement.removeChild(childElement);

• remove(): Removes the specified element from the DOM.

element.remove();