Last updated on : 2022-06-30
A promise represents the eventual result of an asynchronous operation, providing methods to check if it is fulfilled or is rejected and to extract the resulting values.
The LambdaTest cloud lets you test your website or web-application on 3000+ real browsers and operating systems for mobile and desktop. You can check for browser compatibility for Promises as well as many more web technologies.
To make a right testing strategy it's important to understand how many users are actually using Opera 89
To help you build the right browser testing matrix, here's the overall marketshare of both Opera browser and Opera version 89.
Opera Mini 4.4
Data Source: Statcounter.com
Data Source: Statcounter.com
To create a automation testing strategy for checking your webapps on Opera 89, you first need to check what technologies are supported on Opera 89.
Here's a list of all web technologies categorized by thier support level for Opera 89.
Browser Support For IE Versions
Browser Support For Edge Versions
Browser Support For Firefox Versions
Browser Support For Chrome Versions
Browser Support For Safari Versions
Browser Support For Opera Versions
Browser Support For Safari on iOS Versions
Browser Support For Android Browser Versions
Browser Support For Opera Mobile Versions
Browser Support For Chrome for Android Versions
Browser Support For Firefox for Android Versions
Browser Support For Samsung Internet Versions
The Opera browser was originally released in 1996 by the Opera Software company. It has remained a popular web browser for many years and is still actively developed today. In 2013, it announced that it would switch from its proprietary Presto engine to the open-source Chromium project.
Opera features a built-in screenshot tool; this is just one of the many features Opera has adopted from other web browsers, including Speed Dial, pop-up blocking, re-opening recently closed pages, private browsing, and tabbed browsing. Opera is a Web browser that is smaller in size, faster and more stable than Mozilla or Microsoft browsers.
Opera has released a new cryptocurrency wallet for Android phones. The app, available on the beta and developer versions of Opera for Android, supports Web 3, which is specifically for mobile payments and cryptocurrency payments. The wallet is highly secure, and funds are stored with full control from the user. There is no need to enter a PIN code or password, as the user's smartphone will act as their way to unlock the wallet.
Opera lets you easily chat through Facebook Messenger, VKontakte and WhatsApp from your PC, including muting your notifications and tracking them on your phone.
To download Opera browser’s latest version, visit the official Opera website.
LambdaTest allows LambdaTest allows you to instantly spin your website on Opera browser versions 20 and above.
Test this and other features on your website for compatibility across 3,000 real browsers and devices using