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GH#13901: tighten es2016-es2017.md — remove structural noise #18

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johnwaldo merged 1 commit into from
Mar 30, 2026
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GH#13901: tighten es2016-es2017.md — remove structural noise #18

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10 changes: 0 additions & 10 deletions .agents/tools/programming/modern-javascript-skill/es2016-es2017.md
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Original file line number Diff line number Diff line change
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# ES2016 & ES2017 Features

Array.includes(), exponentiation operator, async/await, Object.values(), Object.entries(), String.padStart(), String.padEnd(), Object.getOwnPropertyDescriptors(), trailing commas in functions, SharedArrayBuffer, Atomics.

## ES2016 (ES7)

The smallest ECMAScript release with just two features.

### Array.prototype.includes()

Check if array contains a value (handles `NaN` correctly).
Expand Down Expand Up @@ -42,14 +38,10 @@ let x = 2;
x **= 3; // x = 8
```

---

## ES2017 (ES8)

### Async Functions

Syntactic sugar over Promises for cleaner asynchronous code.

```javascript
// ❌ Promise chains
function fetchUser(id) {
Expand Down Expand Up @@ -177,8 +169,6 @@ greet(

### SharedArrayBuffer and Atomics

Low-level multi-threading primitives (advanced).

```javascript
// Create shared memory
const buffer = new SharedArrayBuffer(16);
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