proposal-change-array-by-copy
proposal-set-methods
proposal-change-array-by-copy | proposal-set-methods | |
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14 | 16 | |
510 | 632 | |
- | 11.4% | |
3.1 | 5.0 | |
9 months ago | about 1 month ago | |
HTML | HTML | |
- | GNU General Public License v3.0 or later |
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proposal-change-array-by-copy
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Records and Tupples in JavaScript
The new change array by copy methods (ES2023) will also work with tuples. So while you can't
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JavaScript's New Features: Exploring the Latest Additions to the Language
Change Array by Copy
- ES2023 candidate source code + spec
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[AskJS] Is JavaScript missing some built-in methods?
Stage 3 Change array by copy proposal offers methods like sortTo() that return a new array instead of mutating the original.
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Sorry for the bad quality, can someone please explain how this code arranges the numbers in the array from smallest to biggest ? what does a-b do ?
Note: there's a stage 3 proposal that introduces copy = arr.toSorted().
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Updates from the 94th TC39 meeting
Change Array by Copy: Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.
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New ECMAScript 23 array features
The proposal is described here, with the other methods being:
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Upcoming ECMAScript features I'm excited about
Proposal, Polyfill
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Some functions modify the Array, others do not. Why? Is there a way to "filter" those functions?
You're unlikely to see any new methods being added to JavaScript's Array that would modify an array in place like reverse() and sort() do. In fact some of the new methods that are being added are versions of reverse() and sort() (and splice()) that create copies rather than modifying the originals. Read more about them here: Proposal: Change Array by copy.
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Future Javascript: New Array Methods Coming soon
Since cloning is so common, a new specification has been written which has reached stage 3, which will give us a host of new ways to copy and then change an array. This proposal is called the "Change Array by Copy" proposal. Let's take a look at how it works.
proposal-set-methods
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Use JavaScript's New Set Composition Methods Without Polyfills
There is a proposal to add methods like union and intersection to JavaScript's built-in Set class.
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Updates from the 101th TC39 meeting
Set Methods: New Set methods
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Union, intersection, difference, and more are coming to JavaScript Sets
This article seems to be largely fluff. Here's a link to the proposal with the list of methods being added: https://github.com/tc39/proposal-set-methods?tab=readme-ov-f...
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Mastering data with 7 new JavaScript Set methods
So, 7 new Set methods are under construction now and I will show you the way they interact with data:
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how compare 2 Set ?
They're stage 3, but we're getting new methods just for this sort of stuff. You'd be able to do:
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It’s 2023. Start using JavaScript Map and Set
Coming soon: https://github.com/tc39/proposal-set-methods
- Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes
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[AskJS] What Lodash/<insert utility library> functions do you love?
I'm excited for that one :). They are also coming out with intersection, but only for sets.
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Feedback on my JS library website?
it's highly incompatible with Set helper methods (a stage 3 proposal)
- [AskJS] Is JavaScript missing some built-in methods?
What are some alternatives?
proposal-arraybuffer-transfer - Proposal to add ArrayBuffer.prototype.transfer
es1995 - ES1995 – The Missing JS Polyfill
proposal-accessible-object-hasownproperty - Object.hasOwn() proposal for ECMAScript
proposals - ✍️ Tracking the status of Babel's implementation of TC39 proposals (may be out of date)
zod - TypeScript-first schema validation with static type inference
random-number-js - Generate random numbers with more variety.
proposal-symbols-as-weakmap-keys - Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries
proposal-partial-application - Proposal to add partial application to ECMAScript
proposal-iterator-helpers - Methods for working with iterators in ECMAScript
promises-spec - An open standard for sound, interoperable JavaScript promises—by implementers, for implementers.
temporal-polyfill - Polyfill for Temporal (under construction)
retro-random-number