iFrames - Instructions

JavaScript is a coding language. Programmers make mistakes. JavaScript errors are visible in the dev console.

Example

This page has multiple JavaScript issues.

Some can be triggered by clicking the buttons.

Testing

  • Do you routinely use the Dev tools when you test a site?
  • Would you spot these type of issues in production?
  • Do you know how to assess the risk of each type of error?
  • Try looking at production sites from large companies, many have JavaScript errors in the console, does this mean JavaScript errors are not important?

Automated Tools

  • Can you detect these issues when you automate the page?
  • Do you routinely automate to detect these issues?