devtools-detect
Detect if DevTools is open and its orientation
Useful for when you want something special to happen when DevTools is open. Like pausing canvas, adding style debug info, etc.
Demo
Install
$ npm install --save devtools-detect
Usage
<script src="node_modules/devtools-detect/index.js"></script>
<script>
// check if it's open
console.log('is DevTools open?', window.devtools.open);
// check it's orientation, null if not open
console.log('and DevTools orientation?', window.devtools.orientation);
// get notified when it's opened/closed or orientation changes
window.addEventListener('devtoolschange', function (e) {
console.log('is DevTools open?', e.detail.open);
console.log('and DevTools orientation?', e.detail.orientation);
});
</script>Support
- Chrome DevTools
- Safari DevTools
- Firefox DevTools
- Firebug
- Firebug Lite
Caveats
Doesn't work if DevTools is undocked and will show false positive if you toggle any kind of sidebar.
License
MIT © Sindre Sorhus