They can either be constructed using the BigInt() constructor (preferably with strings to prevent inaccuracies) or by appending n at the end of a number. BigInt: The new BigInt data type allows for accurately storing and operating on large (whole) numbers, which prevents errors produced by JavaScript storing numbers as floats.function formatNumbers(strings: TemplateStringsArray, number: number): string Let's say we want to write a way to log arbitrary strings containing a number, but format the number. Tagged template literals: By prepending a function name in front of a template literal, the function will be passed the parts of the template literals and the template values.OverviewĮCMAScript Past (Still relevant older introductions) There are a lot of TypeScript features I left out because they can be summarized as “This didn’t work like you would expect it to but now does.” So if something didn’t work in the past, try it again now.
Not all of the following features will be relevant to you or even practical, but they should instead serve to show what’s possible and to deepen your understanding of these languages. This article goes through almost all of the changes of the last 3 years (and some from earlier) in JavaScript / ECMAScript and TypeScript. TypeScript as envisioned by Stable Diffusion
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