JS Built-ins
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SharedArrayBufferbeginner

SharedArrayBuffer — .byteLength property

📖 Usage Example
const sab = new SharedArrayBuffer(4)
const view = new Int32Array(sab)
view[0] = 42
view[0]  // → 42

Wrap a SharedArrayBuffer in a typed array to read and write its contents.

SharedArrayBuffer byteLength

The .byteLength property returns the size in bytes of the buffer.

Challenge: Verify that .byteLength equals the size passed to the constructor.

💡 Hints (1)
  • • The byteLength property returns the size of the buffer in bytes.