Is ie6 compatible with es6?

ie6 is not compatible with es6. IE6 does not support recognizing ES6 syntax and will report an error. Solution: 1. Introduce the babel-browser.min.js file so that you can use ES2015 for encoding; 2. Introduce the browser-polyfill.js file to solve the problem of incompatibility between arrow functions or promises or async and awite; 3. Add the "type="text/babel"" attribute to the script tag.

The operating environment of this tutorial: Windows 7 system, ECMAScript version 6, Dell G3 computer.

IE6 does not support ES6 syntax, so when using IE, the ES6 syntax is not recognized and an error is reported.

Browser versions that support ES6 (summary table)

12-1415-18, 79-87Firefox2-56-5354 -86##ChromeSafariOpera##iOS Safari7-9.310-13.7, 14.2##Opera Mini2.1-4.381##Opera Mobile12-12.159# #87UC Browser for Android##12.125-13.010.4Solution for IE not supporting ES6We all know that Babel is used to deal with IE incompatibility issues, but Babel needs to be used with webpack and has a lot of configurations. Things, this is relatively simple, there are a lot of tutorials on the Internet.

Browser	Unsupported versions	Partially supported versions	Supported versions
IE	6-10	11
##Edge
4-20	21-50	51-90
3.1-7	7.1-9.1	10-13.1, 14, TP
10-12.1	15-37	38-72
3.2-6.1
all			##Android Browser
4.4-4.4.4
		Chrome for Android
		Firefox for Android
##83
	Samsung Internet		4
	QQ Browser
	Baidu Browser		7.12
	KaiOS Browser		2.5

But for a project that does not use npm and is just a simple html file, how to deal with the error when opening it in IE browser?

Solution

1.Introduce babel-browser.min.js

To solve this we must first introduce babel-browser.min.js , so that you can use ES2015 for coding

2.Introduce browser-polyfill.js

Solve the problem of arrow function or promise or async, awite incompatibility

3.After introduction Add type="text/babel" to your js file. After adding it, you will find that ES6 syntax can be supported at this time.

<script  type="text/babel">
省略js代码
</script>

This solves the problem of IE not recognizing ES6.

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