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Tip revision: 3c30b7484e23d039678bc9cbeb644560c1a9ea35 authored by TypeScript Bot on 30 June 2021, 01:40:28 UTC
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lib_change.md
---
name: Library change
about: Fix or improve issues with built-in type definitions like `lib.dom.d.ts`, `lib.es6.d.ts`, etc.
title: ''
labels: ''
assignees: ''
---
# lib Update Request
<!--
Please fill in each section completely. Thank you!
Are you here for one of these commonly-requested lib changes?
* Object.keys - see https://stackoverflow.com/questions/55012174/
* Array methods - see https://github.com/microsoft/TypeScript/issues/36554
* parseInt, parseFloat, isFinite, isNaN, etc. - see https://github.com/microsoft/TypeScript/issues/4002
The DOM lib is maintained elsewhere and you can skip a step by filing issues/PRs for the DOM at that repo.
See https://github.com/microsoft/TypeScript-DOM-lib-generator
-->
## Configuration Check
<!--
If you're missing common new methods like Array.includes, you may have a misconfigured project.
Try setting `lib: "es2020"` and checking whether the type you want is present.
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My compilation *target* is `ES2015` and my *lib* is `the default`.
## Missing / Incorrect Definition
<!--
What property, method, function, etc is missing or incorrect?
-->
## Sample Code
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## Documentation Link
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