Also works if DevTools is undocked. Useful for when you want something to happen when DevTools is open.
👺 Demo
<script src="https://cdn.jsdelivr.net/gh/nicolauns/devtools.detect@1.2.0/devtools-detect.min.js"></script>devtools.detect(function(status){
alert('Is DevTools open? ' + status);
});| Browser | Supported |
|---|---|
| Chrome | ✓ |
| Firefox | ✓ |
| Opera | ✓ |
| Safari | ✓ |
| Mobile Safari | ✓¹ |
| Edge | ✓ |
| IE11 | ✓ |
| IE10 | ✓ |