Exercises
Put your JavaScript DOM manipulation knowledge to the test. This quiz covers essential techniques for selecting elements by ID or class, creating and appending nodes, updating text and HTML content, handling click events, removing child elements, and replacing existing nodes. You will also explore the difference between innerHTML and outerHTML and practice identifying the methods and properties used to interact with web page elements. Ideal for beginners learning JavaScript and developers reviewing core DOM concepts.
Answer the questions below and check the explanation for each answer.
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The document.getElementById() method is used to select a single element with a specific ID attribute. It returns the element with the provided ID value.
parentNode.appendChild() is used to add a node to the end of the list of children of a specified parent node.
textContent is used to set or return the text content of the specified node, and all its descendants, while innerHTML returns the HTML, including child elements.
parentNode.removeChild() is used to remove a child node from a specified parent node and returns the removed node.
document.getElementsByClassName() method returns an array-like object of all child elements which have all of the given class names.
innerHTML includes only the content within the element, while outerHTML includes the entire element including its tags.
The onclick event occurs when the user clicks on an HTML element. It is commonly used to trigger a function when an element is clicked.
Use document.createElement() to create a new HTML element. It returns the newly created element, which can be appended to the DOM.
innerHTML allows you to set or get the HTML syntax describing the element's descendants. It's used to render HTML tags as such.
Use parentNode.replaceChild() to replace an existing child node with a new node. This method replaces the selected node with the specified node.
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