Why Do onclick and Inline Scripts Fail in Browser Extensions, and How Can I Fix Them?

Onclick or Inline Script Malfunctions in Browser Extensions

While onclick and inline scripts function seamlessly in standalone browsers, they may encounter issues within Chrome and Firefox extensions. This oddity stems from the fact that extensions restrict inline JavaScript for security reasons.

The solution involves assigning an ID to the clickable element and using an event listener:

popup.html:

<a>

popup.js:

document.addEventListener('DOMContentLoaded', function() {
  var link = document.getElementById('link');
  // onclick's logic below:
  link.addEventListener('click', function() {
    hellYeah('xxx');
  });
});

popup.html Head:

<script src="popup.js"></script>

By following these steps, the onclick functionality can be restored within browser extensions.

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