Browser Compatibility Testing of CUSTOM EVENT

Test on Latest Desktop and Mobile Browsers For


Sign Up For Free

Test your Web App on LambdaTest

With LambdaTest you can test your websites on 3000+ browser and OS combinations for cross browser compatibility issues and ensure that your webpage fallbacks are working fine on browsers that do not support CUSTOM EVENT.
All Browser Versions
Real Time Testing on Chrome browser


Google Chrome

Chrome 4 does not support Custom Event.Chrome version 5 to 8 & 13 to 14 support is unknown for Custom Event. Chrome 9 to 12 partially supports Custom Event. Chrome 15 to 67 supports Custom Eventproperty.

Mozilla Firefox

This element is not supported by Mozilla Firefox browser version 2 to 5. This property is partially supported in Firefox 6 to 10 version. Firefox 11 to 61 supports Custom Event.

Internet Explorer

IE browser version 6 to 8 doesn't support Custom Event. IE 9 to 11 partially supports this property.


Safari browser version 3.1 to 4 doesn't support Custom Event. Safari browser version 5.1 partially supports Custom Event and Safari 5 to 6 support is unknown. Safari browser version 6.1 to 11.1 supports Custom Event.

Microsoft Edge

Edge 12 to 17 supports custom-event.


Opera version 10.1 doesn't support Custom Event. Opera 11.5 partially supports Custom Event property. Opera 12.1 to 53 supports Custom Event.

Information sourced from

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

Other Browsers to Choose From

You can choose from a range of 3000+ desktop and mobile browsers including Chrome, Safari, Internet Explorer, Edge, Yandex, Opera, and Firefox allowing you to ensure that your customers get pixel perfect experience across all screen sizes, devices, operating systems, browsers, and resolutions.

Checkout All Browsers

Try LambdaTest Now !!

Get 3 sessions of 1 minute each of live real time interactive testing every month that gets renewed each month.

  • No Credit Card Required
  • Free Sign Up
  • 24/7 Support


Fastest Way for Cross Browser Testing

More Reasons To Love LambdaTest

It's not just about infrastructure, you get a whole range of complimentary features that will make your browser testing experience smoother and help you ship products faster.

Integrated developer tools

Integrated Debugging

Integrated developer tools to help you debug issues in live testing.
automated browser testing tools to test locally hosted websites

Locally Hosted
Web Testing

Local hosted web testing to save your website or web application from after deployment bugs.
Geolocation Testing


Test from different locations to make sure your users get perfect experience across all locations.

Ready to Get Started?

Signup to use LambdaTest, it's completely
free to get started with

  • No Credit Card Required
  • Free Sign Up
  • 24/7 Support