id is a unique name for one element.
  
  ## Example
  ```html
  <h2 id="mainTitle">Dashboard</h2>
  ```
  
  ## Use id for jumping links
  ```html
  <a href="#contact">Go to Contact</a>
  <h2 id="contact">Contact</h2>
  ```
  
  ## Preview
  Click link → jumps to Contact section.
  
  ## Important rule
  Do not repeat the same id on the same page.

Use id for unique elements. Useful for linking, CSS, and JavaScript selection.

HTML Id

Learn HTML fundamentals for building web pages: semantic structure, forms, accessibility, and best practices.

HTML Id

Example

Use id for jumping links

Preview

Important rule

More on HTML

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