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has-symbols
Determine if the JS environment has Symbol support. Supports spec, or shams.
v1.1.0 URL:
https://unpkg.com/has-symbols@1.1.0/index.js
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Symbol
symbols
typeof
sham
polyfill
native
core-js
ES6
rxjs
Reactive Extensions for modern JavaScript
v7.8.2 URL:
https://unpkg.com/rxjs@7.8.2/dist/esm5/index.js
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Rx
RxJS
ReactiveX
ReactiveExtensions
Streams
Observables
Observable
Stream
ES6
ES2015
es-abstract
ECMAScript spec abstract operations.
v1.24.0 URL:
https://unpkg.com/es-abstract@1.24.0/index.js
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ECMAScript
ES
abstract
operation
abstract operation
JavaScript
ES5
ES6
ES7
core-js
Standard library
v3.43.0 URL:
https://unpkg.com/core-js@3.43.0/index.js
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ES3
ES5
ES6
ES7
ES2015
ES2016
ES2017
ES2018
ES2019
ES2020
ES2021
ES2022
ES2023
ES2024
ECMAScript 3
ECMAScript 5
ECMAScript 6
ECMAScript 7
ECMAScript 2015
ECMAScript 2016
ECMAScript 2017
ECMAScript 2018
ECMAScript 2019
ECMAScript 2020
ECMAScript 2021
ECMAScript 2022
ECMAScript 2023
ECMAScript 2024
Map
Set
WeakMap
WeakSet
TypedArray
Promise
Observable
Symbol
Iterator
AsyncIterator
URL
URLSearchParams
queueMicrotask
setImmediate
structuredClone
polyfill
ponyfill
shim
object.assign
ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim
v4.1.7 URL:
https://unpkg.com/object.assign@4.1.7/index.js
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Object.assign
assign
ES6
extend
$.extend
jQuery
_.extend
Underscore
es-shim API
polyfill
shim