A BigUint64Array object describes an array-like view of an underlying binary data buffer.
The constructors are listed as follows:
new BigUint64Array(); new BigUint64Array(length); new BigUint64Array(typedArray); new BigUint64Array(object); new BigUint64Array(buffer [, byteOffset [, length]]);
| Parameter | Optional | Meaning |
|---|---|---|
| length | Required | an internal array buffer is created of size length multiplied by BYTES_PER_ELEMENT bytes. |
| typedArray | Required | the typedArray is copied into a new typed array. |
| object | Required | use the BigUint64Array.from() method. |
| buffer | Required | create from buffer |
| byteOffset | optional | offset to start |
| length | optional | length to copy |
Property access
You can reference elements in the array using standard array index syntax.
var int16 = new BigUint64Array(2); int16[0] = 42;/*w w w . j a v a 2 s . c om*/ console.log(int16[0]); // 42
| Type | Value Range | Size in bytes | Description | Equivalent C type |
|---|---|---|---|---|
| BigUint64Array | 0 to 2^64-1 | 8 | 64-bit unsigned integer | uint64_t (unsigned long long) |