Javascript
ECMAScript 2021 introduces Promise.any() and AggregateError
ECMAScript 2021 introduces Promise.any() method which accepts an iterable of promises and waits for the first promise to fulfill, and its result becomes the outcome. If all the passed promises are rejected, it returns an AggregateError.ECMAScript 2021 introduces replaceAll method and numeric separators
ECMAScript 2021 introduces the replaceAll() method to replace all occurrences of a substring in a string with another string and numeric separators to allow a separator character between digits.Babel 7.14 enables class fields & private methods by default in @babel/preset-env
Starting from Babel 7.14 @babel/plugin-proposal-class-properties and @babel/plugin-proposal-private-methods plugins are enabled by default in @babel/preset-env.ES 12/2021 introduces new logical assignment operators
ES 12/2021 introduces new logical assignment operators for nullish(??=), AND(&&=) and OR(||=).How to investigate your build size in Webpack
Let us look at a few handy tools that can help us in analyzing and reducing our bundle size.
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