Kangax 的 ES7 兼容性表格

Kangax 的 ES7 兼容性表格

https://kangax.github.io/compat-table/es2016plus/

Sort by             Engine types             Features             Flagged features           Show obsolete platforms  Show unstable platforms 

V8 SpiderMonkey JavaScriptCore Chakra Other 
⬤ Minor difference (1 point) ⬤ Small feature (2 points) ⬤ Medium feature (4 points) ⬤ Large feature (8 points)

			Compilers/polyfills					Desktop browsers																	Servers/runtimes					Mobile
Feature name	Current browser		Traceur	Babel 6 + core-js	Closure 2018.11	Type- Script + core-js	es7-shim	IE 11	Edge 17	Edge 18	FF 60 ESR	FF 63	FF 64	CH 70, OP 57	CH 71, OP 58	SF 11.1	SF 12	Node >=6.5 <7[2]	Node >=8.10 <9[2]	Node >=10.13 <11[2]	DUK 2.2	GraalVM 1.0[3]	iOS 11.3	iOS 12	Samsung 8.2
2016 features
§exponentiation (**) operator	2/3	3/3	3/3	2/3	0/3	0/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	0/3	3/3	3/3	2/3	3/3	3/3	3/3	3/3
§Array.prototype.includes	0/3	3/3	2/3	3/3	2/3	0/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	0/3	3/3	3/3	3/3	3/3
2016 misc
§generator functions can't be used with "new"  [7]	Yes		No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
§generator throw() caught by inner generator  [8]	Yes		No	No	Yes	Yes[9]	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
§strict fn w/ non-strict non-simple params is error[10]	Yes		No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
§nested rest destructuring, declarations  [11]	Yes		No	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
§nested rest destructuring, parameters[12]	Yes		No	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
§Proxy, "enumerate" handler removed  [13]	Yes		No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
§Proxy internal calls, Array.prototype.includes	Yes		No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
2017 features
§Object static methods	0/4	4/4	3/4	4/4	3/4	0/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	0/4	4/4	4/4	0/4	4/4	4/4	4/4	4/4
§String padding	0/2	2/2	2/2	2/2	2/2	0/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	0/2	2/2	2/2	0/2	2/2	2/2	2/2	2/2
§trailing commas in function syntax	0/2	2/2	2/2	2/2	0/2	0/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	0/2	2/2	2/2	0/2	2/2	2/2	2/2	2/2
§async functions	3/15	3/15	9/15	8/15	0/15	0/15	15/15	15/15	15/15	15/15	15/15	15/15	15/15	15/15	15/15	0/15	15/15	15/15	0/15	13/15	15/15	15/15	15/15
§shared memory and atomics	0/17	0/17	0/17	0/17	0/17	0/17	0/17	0/17	0/17	0/17	0/17	17/17	17/17	0/17	0/17	0/17	17/17	17/17	0/17	17/17	0/17	0/17	0/17
2017 misc
§Proxy "ownKeys" handler, duplicate keys for non-extensible targets (ES 2017 semantics)  [22]	Yes		No	No	No	No	No	No	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
§RegExp "u" flag, case folding	Yes		No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	Yes	Yes
§arguments.caller removed	Yes		No	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	Yes	Yes
2017 annex b
§Object.prototype getter/setter methods	0/16	16/16	0/16	16/16	0/16	8/16	14/16	14/16	16/16	16/16	16/16	16/16	16/16	16/16	16/16	10/16	16/16	16/16	16/16	16/16	16/16	16/16	16/16
§Proxy internal calls, getter/setter methods	0/4	0/4	0/4	0/4	0/4	0/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	4/4	0/4	4/4	4/4	0/4	4/4	4/4	4/4	4/4
§assignments allowed in for-in head in non-strict mode	Yes		Yes	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
2018 features
§object rest/spread properties	0/2	2/2	1/2	2/2	0/2	0/2	0/2	0/2	2/2	2/2	2/2	2/2	2/2	2/2	2/2	0/2	2/2	2/2	0/2	2/2	2/2	2/2	2/2
§Promise.prototype.finally	0/3	3/3	3/3	3/3	0/3	0/3	0/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	0/3	0/3	3/3	0/3	3/3	3/3	3/3	3/3
§s (dotAll) flag for regular expressions	Yes		?	Yes	No	?	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	?	Yes	Yes	No	Yes	Yes	Yes	Yes
§RegExp named capture groups	Yes		No	Yes	No	No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No	Flag[23]	Yes	No	Yes	Yes	Yes	Flag[23]
§RegExp Lookbehind Assertions	Yes		No	No	No	No	No	No	No	No	No	No	No	Yes	Yes	No	No	Flag[23]	Yes	Yes	No	Yes	No	No	Yes
§RegExp Unicode Property Escapes	Yes		No	Yes	No	No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No	Flag[23]	Yes	No	Yes	Yes	Yes	Flag[23]
§Asynchronous Iterators	0/2	2/2	2/2	2/2	0/2	0/2	0/2	0/2	2/2	2/2	2/2	2/2	2/2	0/2	2/2	0/2	0/2	2/2	0/2	2/2	0/2	2/2	2/2
2018 misc
§template literal revision	Yes		No	No	Yes	No	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	Yes	Yes
2019 misc
§optional catch binding	0/3	0/3	0/3	3/3	0/3	0/3	0/3	0/3	3/3	3/3	3/3	3/3	3/3	3/3	3/3	0/3	0/3	3/3	0/3	0/3	3/3	3/3	0/3
§Symbol.prototype.description	Yes		No	No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No	Yes	No	No	No	No	No	No	Yes	No
§Function.prototype.toString revision	0/7	0/7	0/7	0/7	0/7	1/7	4/7	4/7	7/7	7/7	7/7	7/7	7/7	4/7	4/7	4/7	4/7	7/7	1/7	7/7	4/7	4/7	4/7

^[1] Flagged features have to be enabled via --harmony flag

^[2] Flagged features have to be enabled via --harmony or --es_staging flag

^[3] Executed in Node.js/JVM mode via graalvm/bin/node --jvm.

^[4] The feature have to be enabled via "Experimental Javascript features" setting under about:flags

^[5] This feature is supported when using Babel with core-js.

^[6] This feature is supported when using TypeScript with core-js.

^[7] TC39 meeting notes from July 28, 2015.

^[8] 'Semantics of yield* in throw case' GitHub issue in ECMA-262 repo.

^[9] Requires the downlevelIteration compile option.

^[10] TC39 meeting notes from July 29, 2015.

^[11] TC39 meeting notes from July 28, 2015.

^[12] TC39 meeting notes from July 28, 2015.

^[13] 'Normative: Remove [[Enumerate]] and associated reflective capabilities' GitHub Pull Request in ECMA-262 repo.

^[14] This feature requires native generators or regenerator-runtime, it's a part of babel-polyfill or babel-runtime.

^[15] Flagged features have to be enabled via "Enable experimental Javascript features" setting under about:flags

^[16] The feature was temporarily disabled to mitigate the Meltdown and Spectre CPU bugs.

^[17] The feature is available only in Firefox Developer Edition and Firefox Nightly builds.

^[18] The feature was temporarily disabled to mitigate the Meltdown and Spectre CPU bugs. It can be enabled via javascript.options.shared_memory setting under about:config

^[19] The feature was temporarily disabled to mitigate the Meltdown and Spectre CPU bugs.

^[20] The feature was temporarily disabled to mitigate the Meltdown and Spectre CPU bugs.

^[21] The feature have to be enabled via "Experimental enabled SharedArrayBuffer support in JavaScript." setting under about:flags

^[22] The behaviour of the Proxy “ownKeys” handler in presence of duplicate keys has been modified later.

^[23] The feature have to be enabled via --js-flags="--harmony" flag

^[24] The feature is considered unstable, but can be enabled via --js-flags="--harmony-promise-finally" flag

============== End