JavaScript typed arrays
‘JavaScript typed arrays are array-like objects that provide a mechanism for reading and writing raw binary data in memory buffers.’
| Type | Value Range | Size in bytes | Description | Web IDL type | Equivalent C type |
|---|---|---|---|---|---|
| Int8Array | -128 to 127 |
8-bit two’s complement signed integer | byte |
int8_t |
Example of one typed array type, from MDN
What are these used for? Often in image editing etc. Raw data processing. Storing specific types of data, the arrays can be much smaller in memory etc.
References
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays