noopener and External Links
When opening external content in a new browsing context, developers should understand the security implications of target="_blank". The rel="noopener" relationship prevents the opened document from accessing the opener through window.opener.
Safer New-Tab Link
<a href="https://example.com" target="_blank" rel="noopener">\n Open Example\n</a>💡 noopener prevents the newly opened page from using the opener reference to interact with the original page.
Key Takeaways
- Understand opener relationships when opening new browsing contexts.
- Use appropriate rel values for external links.
Knowledge Check
What does rel="noopener" primarily prevent?