ES2023: JavaScript’s Immutability Revolution — New Methods and More!

Jonathan Fielding
3 min readOct 21, 2023
Example of the new with method.

Ever since ES2015 was finalised, JavaScript has had yearly ‘releases’ of new features that improve the language and make it easier to work with. In its latest iteration, there has been an increased focus on providing us with more methods that help us use immutability in our JavaScript.

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Jonathan Fielding

Staff Engineer working for @Spendesk, speaker about web things, writing about tech, contributor to open source. If you like what I write make sure to follow.