proposal-accessible-object-hasownproperty
proposal-class-static-block
| proposal-accessible-object-hasownproperty | proposal-class-static-block | |
|---|---|---|
| 3 | 5 | |
| 127 | 97 | |
| - | - | |
| 7.0 | 7.3 | |
| over 2 years ago | over 2 years ago | |
| HTML | HTML | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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proposal-accessible-object-hasownproperty
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JavaScript Object properties
Its reasons like these you're actually seeing a trend with the opposite happening within the native JS API. For example a proposal for JS that recently got approved was Object.hasOwn() which is a non-method version of Object.prototype.hasOwnProperty().
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Updates from the 85th meeting of TC39
Object.hasOwn Accessible Object.prototype.hasOwnProperty()
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Updates from 82nd meeting of TC39
Accessible Object.prototype.hasOwnProperty(): Proposal for an Object.hasOwn() method to make Object.prototype.hasOwnProperty() more accessible.
proposal-class-static-block
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Class Static Initialization Blocks in JavaScript
If you often find yourself working with static fields you may find static initialization blocks to be a useful feature. They can help make static initialization easier. I hope that this post helped you understand what class static initialization blocks in JavaScript are and how to use them. If you want to learn more about this feature, you can take a look at the proposal available on GitHub.
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Updates from the 85th meeting of TC39
Class Static Blocks Class static blocks provide a mechanism to perform additional static initialization during class definition evaluation.
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ES2022 feature: class static initialization blocks
Before bashing a new feature make sure to read then criticize the actual proposal [1]. I personally think the proposal makes sense mostly because of private fields since it is very awkward to initialize those fields outside of the class.
[1] https://github.com/tc39/proposal-class-static-block
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TypeScript 4.4: The Good, The Bad and The Not So Bad
It’s an upcoming ECMAScript feature that’s currently a stage 3 proposal. static blocks allow for a more complex initiation process of static class members.
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Updates from 78th meeting of TC39
Class static initialization block.
What are some alternatives?
proposal-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.
proposal-array-from-async - Draft specification for a proposed Array.fromAsync method in JavaScript.
proposal-relative-indexing-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray)
proposal-intl-locale-info - An API to expose information of locale, such as week data ( first day of a week, weekend start, weekend end), hour cycle, measurement system, commonly used calendar, etc.
proposal-symbols-as-weakmap-keys - Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries
proposal-intl-enumeration - Return supported values of options, such as timeZone, calendars, numberingSystems, currencies, units
proposal-structs - JavaScript Structs: Fixed Layout Objects
proposal-string-dedent - TC39 Proposal to remove common leading indentation from multiline template strings
proposal-deiter - Double-Ended Iterator and Destructuring
proposal-is-usv-string - a proposal for a method to determine if a String is welll-formed Unicode
proposal-item-method - A TC39 proposal to add an .at() method to all the basic indexable classes (Array, String, TypedArray) [Moved to: https://github.com/tc39/proposal-relative-indexing-method]