Readonly[toReadonlybufferThe ArrayBuffer instance referenced by the array.
ReadonlybyteThe length in bytes of the array.
ReadonlybyteThe offset in bytes of the array.
ReadonlyBYTES_The size in bytes of each element in the array.
ReadonlyconstructorThe initial value of Object.prototype.constructor is the standard built-in Object constructor.
ReadonlylengthThe length of the array.
Static ReadonlyBYTES_The size in bytes of each element in the array.
Padded to 256 bytes
The crc32c checksum for the super block.
Flags for the file system. Currently unused
Which format of Inode is used
An optional label for the file system
Signature for the superblock.
The size in bytes of a metadata block. Not currently configurable.
Offset of the current metadata block
Protectedmetadata_Reserved for 64-bit offset expansion
The total size of the entire file system, including the super block and metadata
The number of used bytes, including the super block and metadata
A UUID for this file system
The version of the on-disk format
Returns the item located at the specified index.
The zero-based index of the desired code unit. A negative index will count back from the last item.
Returns the this object after copying a section of the array identified by start and end to the same array starting at position target
If target is negative, it is treated as length+target where length is the length of the array.
If start is negative, it is treated as length+start. If end is negative, it is treated as length+end.
Optionalend: numberIf not specified, length of the this object is used as its default value.
Yields index, value pairs for every entry in the array.
Determines whether all the members of an array satisfy the specified test.
A function that accepts up to three arguments. The every method calls the predicate function for each element in the array until the predicate returns false, or until the end of the array.
OptionalthisArg: anyAn object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.
Changes all array elements from start to end index to a static value and returns the modified array
value to fill array section with
Optionalstart: numberindex to start filling the array at. If start is negative, it is treated as length+start where length is the length of the array.
Optionalend: numberindex to stop filling the array at. If end is negative, it is treated as length+end.
Returns the elements of an array that meet the condition specified in a callback function.
A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.
OptionalthisArg: anyAn object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.
Returns the value of the first element in the array where predicate is true, and undefined otherwise.
find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
OptionalthisArg: anyIf provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
Returns the index of the first element in the array where predicate is true, and -1 otherwise.
find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, findIndex immediately returns that element index. Otherwise, findIndex returns -1.
OptionalthisArg: anyIf provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
Returns the value of the last element in the array where predicate is true, and undefined otherwise.
findLast calls predicate once for each element of the array, in descending order, until it finds one where predicate returns true. If such an element is found, findLast immediately returns that element value. Otherwise, findLast returns undefined.
OptionalthisArg: anyIf provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
OptionalthisArg: anyReturns the index of the last element in the array where predicate is true, and -1 otherwise.
findLastIndex calls predicate once for each element of the array, in descending order, until it finds one where predicate returns true. If such an element is found, findLastIndex immediately returns that element index. Otherwise, findLastIndex returns -1.
OptionalthisArg: anyIf provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
Performs the specified action for each element in an array.
A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.
OptionalthisArg: anyAn object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Determines whether an array includes a certain element, returning true or false as appropriate.
The element to search for.
OptionalfromIndex: numberThe position in this array at which to begin searching for searchElement.
Returns the index of the first occurrence of a value in an array.
The value to locate in the array.
OptionalfromIndex: numberThe array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.
InternalChecks to see if length bytes are unused, starting at offset.
Not for external use!
Adds all the elements of an array separated by the specified separator string.
Optionalseparator: stringA string used to separate one element of an array from the next in the resulting String. If omitted, the array elements are separated with a comma.
Yields each index in the array.
Returns the index of the last occurrence of a value in an array.
The value to locate in the array.
OptionalfromIndex: numberThe array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.
Calls a defined callback function on each element of an array, and returns an array that contains the results.
A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.
OptionalthisArg: anyAn object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.
Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.
Reverses the elements in the array.
Rotate out the current metadata block. Allocates a new metadata block, moves the current one to backup, and updates used_bytes accordingly.
the new metadata block
Sets a value or an array of values.
A typed or untyped array of values to set.
Optionaloffset: numberThe index in the current array at which the values are to be written.
Returns a section of an array.
Optionalstart: numberThe beginning of the specified portion of the array.
Optionalend: numberThe end of the specified portion of the array.
Determines whether the specified callback function returns true for any element of an array.
A function that accepts up to three arguments. The some method calls the predicate function for each element in the array until the predicate returns true, or until the end of the array.
OptionalthisArg: anyAn object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.
Sorts the array.
OptionalcompareFn: (a: bigint, b: bigint) => number | bigintThe function used to determine the order of the elements. If omitted, the elements are sorted in ascending order.
Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements at begin, inclusive, up to end, exclusive.
Optionalbegin: numberThe index of the beginning of the array.
Optionalend: numberThe index of the end of the array.
Converts the array to a string by using the current locale.
Optionallocales: string | string[]Optionaloptions: NumberFormatOptionsCopies the array and returns the copy with the elements in reverse order.
Copies and sorts the array.
OptionalcompareFn: (a: bigint, b: bigint) => numberFunction used to determine the order of the elements. It is expected to return a negative value if the first argument is less than the second argument, zero if they're equal, and a positive value otherwise. If omitted, the elements are sorted in ascending order.
const myNums = BigUint64Array.from([11n, 2n, 22n, 1n]);
myNums.toSorted((a, b) => Number(a - b)) // BigUint64Array(4) [1n, 2n, 11n, 22n]
Returns a string representation of the array.
Returns the primitive value of the specified object.
Yields each value in the array.
Copies the array and inserts the given bigint at the provided index.
The index of the value to overwrite. If the index is negative, then it replaces from the end of the array.
The value to insert into the copied array.
A copy of the original array with the inserted value.
StaticfromCreates an array from an array-like or iterable object.
An array-like object to convert to an array.
Creates an array from an array-like or iterable object.
Creates an array from an array-like or iterable object.
An iterable object to convert to an array.
Creates an array from an array-like or iterable object.
StaticofReturns a new array from a set of elements.
A set of elements to include in the new array object.
The super block structure for a single-buffer file system