A new version of Safari out with the release of iOS 10.3 and macOS Sierra 10.12.4. Safari on iOS 10.3 and Safari 10.1 on macOS come's with many great features, development and improvements from WebKit that i asure you, you will be very excited about it.

In the process of this release making the safari browser more effective and powerful too, it also makes web development alot easier for its users, even simplifying the ongoing maintenance of your code. Everyone are happy and interested in seeing how web developers can translate these new improvements into a better experiences for it's users around the world.

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Source: http://www.inforetweet.com.ng/2017/04/features-introduced-in-the-latest-safari-10.1.html

Features Included In The Safari 10.1

These are some quick look at features included in this release.

#1. Fetch

What is fetch? If you may ask.
Fetch is a modern replacement for
{code}XMLHttpRequest{code}. Meaning instead of using the {code}XMLHttpRequest{code}, fetch is used in this release.

#2. ECMAScript 2016 & ECMAScript 2017

WebKit supported in the Safari 10.1 with both ECMAScript 2016 and ECMAScript 2017, which are the latest standards revisions for the JavaScript language. ECMAScript 2016 adds small incremental improvements, but the 2017 standard brings several substantial improvements to JavaScript.