Câu hỏi phỏng vấn HTML
Câu hỏi

hat's the difference between an attribute and a property in HTML?

Câu trả lời

In HTML, the terms "attribute" and "property" refer to different aspects of how elements are defined and interact within a web document, though they are closely related.

Attributes

Attributes in HTML are additional values that configure the elements or adjust their behavior in various ways to meet the criteria set by users or web developers. They are always specified in the HTML code; for example, in <input type="text">, type="text" is an attribute of the input element. Attributes define initial values or settings for an element. They are part of the HTML markup; for instance, setting src in an <img> tag to provide the URL for an image.

Properties

Properties, on the other hand, are characteristics of DOM (Document Object Model) nodes in HTML. They are dynamic values that can change as a result of interaction or JavaScript code. For example, the value property of an input element can change if a user types into it. While HTML attributes are fixed and do not change once the page has loaded, DOM properties can change dynamically. Properties reflect the current state of the DOM, which might be influenced by interactions or scripts.

Key Differences

  1. Definition and Scope: Attributes are defined directly in the HTML markup and are used to initialize DOM properties. Properties are defined on DOM objects and can be changed dynamically[1][4].
  2. Type Flexibility: Attributes are generally strings. However, properties can be of any type, such as boolean, string, or even a function depending on what is appropriate for that property[1].
  3. **Case Sensitivit...
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