Interface BigUint64Array<TArrayBuffer>
"[toStringTag]": "BigUint64Array";
buffer: TArrayBuffer;
byteLength: number;
byteOffset: number;
BYTES_PER_ELEMENT: number;
length: number;
"[iterator]"(): ArrayIterator<bigint>;
at(index: number): bigint;
copyWithin(target: number, start: number, end?: number): this;
entries(): ArrayIterator<[number, bigint]>;
every(
predicate: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => boolean,
thisArg?: any,
): boolean;
fill(value: bigint, start?: number, end?: number): this;
filter(
predicate: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => any,
thisArg?: any,
): BigUint64Array<ArrayBuffer>;
find(
predicate: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => boolean,
thisArg?: any,
): bigint;
findIndex(
predicate: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => boolean,
thisArg?: any,
): number;
findLast<S extends bigint>(
predicate: (value: bigint, index: number, array: this) => value is S,
thisArg?: any,
): S;
findLast(
predicate: (value: bigint, index: number, array: this) => unknown,
thisArg?: any,
): bigint;
findLastIndex(
predicate: (value: bigint, index: number, array: this) => unknown,
thisArg?: any,
): number;
forEach(
callbackfn: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => void,
thisArg?: any,
): void;
includes(searchElement: bigint, fromIndex?: number): boolean;
indexOf(searchElement: bigint, fromIndex?: number): number;
join(separator?: string): string;
keys(): ArrayIterator<number>;
lastIndexOf(searchElement: bigint, fromIndex?: number): number;
map(
callbackfn: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => bigint,
thisArg?: any,
): BigUint64Array<ArrayBuffer>;
reduce(
callbackfn: (
previousValue: bigint,
currentValue: bigint,
currentIndex: number,
array: BigUint64Array<TArrayBuffer>,
) => bigint,
): bigint;
reduce<U>(
callbackfn: (
previousValue: U,
currentValue: bigint,
currentIndex: number,
array: BigUint64Array<TArrayBuffer>,
) => U,
initialValue: U,
): U;
reduceRight(
callbackfn: (
previousValue: bigint,
currentValue: bigint,
currentIndex: number,
array: BigUint64Array<TArrayBuffer>,
) => bigint,
): bigint;
reduceRight<U>(
callbackfn: (
previousValue: U,
currentValue: bigint,
currentIndex: number,
array: BigUint64Array<TArrayBuffer>,
) => U,
initialValue: U,
): U;
reverse(): this;
set(array: ArrayLike<bigint>, offset?: number): void;
slice(start?: number, end?: number): BigUint64Array<ArrayBuffer>;
some(
predicate: (
value: bigint,
index: number,
array: BigUint64Array<TArrayBuffer>,
) => boolean,
thisArg?: any,
): boolean;
sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this;
subarray(begin?: number, end?: number): BigUint64Array<TArrayBuffer>;
toLocaleString(
locales?: string | string[],
options?: NumberFormatOptions,
): string;
toReversed(): BigUint64Array<ArrayBuffer>;
toSorted(
compareFn?: (a: bigint, b: bigint) => number,
): BigUint64Array<ArrayBuffer>;
toString(): string;
valueOf(): BigUint64Array<TArrayBuffer>;
values(): ArrayIterator<bigint>;
with(index: number, value: bigint): BigUint64Array<ArrayBuffer>;
[index: number]: bigint;
}
Type Parameters
- TArrayBuffer extends ArrayBufferLike = ArrayBufferLike
Indexable
- [index: number]: bigint
 Index
Properties
Methods
 Properties
Readonly[toStringTag]  
Readonlybuffer
ReadonlybyteLength 
The length in bytes of the array.
ReadonlybyteOffset 
The offset in bytes of the array.
ReadonlyBYTES_PER_ELEMENT  
The size in bytes of each element in the array.
Readonlylength
The length of the array.
 Methods
[iterator]
- "[iterator]"(): ArrayIterator<bigint>
- Returns ArrayIterator<bigint>
at
copyWithin 
- copyWithin(target: number, start: number, end?: number): this
- Returns the this object after copying a section of the array identified by start and end to the same array starting at position target - Parameters- target: numberIf target is negative, it is treated as length+target where length is the length of the array. 
- start: numberIf start is negative, it is treated as length+start. If end is negative, it is treated as length+end. 
- Optionalend: number- If not specified, length of the this object is used as its default value. 
 - Returns this
- target: number
entries
- entries(): ArrayIterator<[number, bigint]>
- Yields index, value pairs for every entry in the array. - Returns ArrayIterator<[number, bigint]>
every
- every(
 predicate: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => boolean,
 thisArg?: any,
 ): boolean
- Determines whether all the members of an array satisfy the specified test. - Parameters- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => booleanA 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: any- An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. 
 - Returns boolean
- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => boolean
fill
- fill(value: bigint, start?: number, end?: number): this
- Changes all array elements from - startto- endindex to a static- valueand returns the modified array- Parameters- value: bigintvalue to fill array section with 
- Optionalstart: number- index 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: number- index to stop filling the array at. If end is negative, it is treated as length+end. 
 - Returns this
- value: bigint
filter
- filter(
 predicate: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => any,
 thisArg?: any,
 ): BigUint64Array<ArrayBuffer>
- Returns the elements of an array that meet the condition specified in a callback function. - Parameters- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => anyA function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array. 
- OptionalthisArg: any- An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. 
 - Returns BigUint64Array<ArrayBuffer>
- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => any
find
- find(
 predicate: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => boolean,
 thisArg?: any,
 ): bigint
- Returns the value of the first element in the array where predicate is true, and undefined otherwise. - Parameters- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => booleanfind 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: any- If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. 
 - Returns bigint
- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => boolean
findIndex 
- findIndex(
 predicate: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => boolean,
 thisArg?: any,
 ): number
- Returns the index of the first element in the array where predicate is true, and -1 otherwise. - Parameters- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => booleanfind 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: any- If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. 
 - Returns number
- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => boolean
findLast 
- findLast<S extends bigint>(
 predicate: (value: bigint, index: number, array: this) => value is S,
 thisArg?: any,
 ): S
- Returns the value of the last element in the array where predicate is true, and undefined otherwise. - Type Parameters- Parameters- predicate: (value: bigint, index: number, array: this) => value is SfindLast 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: any- If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. 
 - Returns S
- predicate: (value: bigint, index: number, array: this) => value is S
- findLast(
 predicate: (value: bigint, index: number, array: this) => unknown,
 thisArg?: any,
 ): bigint
- Parameters- predicate: (value: bigint, index: number, array: this) => unknown
- OptionalthisArg: any
 - Returns bigint
findLastIndex  
- findLastIndex(
 predicate: (value: bigint, index: number, array: this) => unknown,
 thisArg?: any,
 ): number
- Returns the index of the last element in the array where predicate is true, and -1 otherwise. - Parameters- predicate: (value: bigint, index: number, array: this) => unknownfindLastIndex 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: any- If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. 
 - Returns number
- predicate: (value: bigint, index: number, array: this) => unknown
forEach 
- forEach(
 callbackfn: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => void,
 thisArg?: any,
 ): void
- Performs the specified action for each element in an array. - Parameters- callbackfn: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => voidA function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array. 
- OptionalthisArg: any- An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value. 
 - Returns void
- callbackfn: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => void
includes
- includes(searchElement: bigint, fromIndex?: number): boolean
- Determines whether an array includes a certain element, returning true or false as appropriate. - Parameters- searchElement: bigintThe element to search for. 
- OptionalfromIndex: number- The position in this array at which to begin searching for searchElement. 
 - Returns boolean
- searchElement: bigint
indexOf 
- indexOf(searchElement: bigint, fromIndex?: number): number
- Returns the index of the first occurrence of a value in an array. - Parameters- searchElement: bigintThe value to locate in the array. 
- OptionalfromIndex: number- The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0. 
 - Returns number
- searchElement: bigint
join
- join(separator?: string): string
- Adds all the elements of an array separated by the specified separator string. - Parameters- Optionalseparator: string- A 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. 
 - Returns string
keys
- keys(): ArrayIterator<number>
- Yields each index in the array. - Returns ArrayIterator<number>
lastIndexOf  
- lastIndexOf(searchElement: bigint, fromIndex?: number): number
- Returns the index of the last occurrence of a value in an array. - Parameters- searchElement: bigintThe value to locate in the array. 
- OptionalfromIndex: number- The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0. 
 - Returns number
- searchElement: bigint
map
- map(
 callbackfn: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => bigint,
 thisArg?: any,
 ): BigUint64Array<ArrayBuffer>
- Calls a defined callback function on each element of an array, and returns an array that contains the results. - Parameters- callbackfn: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => bigintA function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array. 
- OptionalthisArg: any- An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value. 
 - Returns BigUint64Array<ArrayBuffer>
- callbackfn: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => bigint
reduce
- reduce(
 callbackfn: (
 previousValue: bigint,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => bigint,
 ): bigint
- 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. - Parameters- callbackfn: (
 previousValue: bigint,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => bigintA function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array. 
 - Returns bigint
- callbackfn: (
- reduce<U>(
 callbackfn: (
 previousValue: U,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => U,
 initialValue: U,
 ): U
- 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. - Type Parameters- Parameters- callbackfn: (
 previousValue: U,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => UA function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array. 
- initialValue: UIf 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. 
 - Returns U
- callbackfn: (
reduceRight 
- reduceRight(
 callbackfn: (
 previousValue: bigint,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => bigint,
 ): bigint
- 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. - Parameters- callbackfn: (
 previousValue: bigint,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => bigintA function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array. 
 - Returns bigint
- callbackfn: (
- reduceRight<U>(
 callbackfn: (
 previousValue: U,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => U,
 initialValue: U,
 ): U
- 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. - Type Parameters- Parameters- callbackfn: (
 previousValue: U,
 currentValue: bigint,
 currentIndex: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => UA function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array. 
- initialValue: UIf 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. 
 - Returns U
- callbackfn: (
reverse
set
slice
- slice(start?: number, end?: number): BigUint64Array<ArrayBuffer>
- Returns a section of an array. - Parameters- Optionalstart: number- The beginning of the specified portion of the array. 
- Optionalend: number- The end of the specified portion of the array. 
 - Returns BigUint64Array<ArrayBuffer>
some
- some(
 predicate: (
 value: bigint,
 index: number,
 array: BigUint64Array<TArrayBuffer>,
 ) => boolean,
 thisArg?: any,
 ): boolean
- Determines whether the specified callback function returns true for any element of an array. - Parameters- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => booleanA 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: any- An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. 
 - Returns boolean
- predicate: (value: bigint, index: number, array: BigUint64Array<TArrayBuffer>) => boolean
sort
subarray
- subarray(begin?: number, end?: number): BigUint64Array<TArrayBuffer>
- Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements at begin, inclusive, up to end, exclusive. - Parameters- Optionalbegin: number- The index of the beginning of the array. 
- Optionalend: number- The index of the end of the array. 
 - Returns BigUint64Array<TArrayBuffer>
toLocaleString  
- toLocaleString(
 locales?: string | string[],
 options?: NumberFormatOptions,
 ): string
- Converts the array to a string by using the current locale. - Parameters- Optionallocales: string | string[]
- Optionaloptions: NumberFormatOptions
 - Returns string
toReversed 
- toReversed(): BigUint64Array<ArrayBuffer>
- Copies the array and returns the copy with the elements in reverse order. - Returns BigUint64Array<ArrayBuffer>
toSorted 
- toSorted(
 compareFn?: (a: bigint, b: bigint) => number,
 ): BigUint64Array<ArrayBuffer>
- Copies and sorts the array. - Parameters- OptionalcompareFn: (a: bigint, b: bigint) => number- Function 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<Buffer>.from([11n, 2n, 22n, 1n]);
 myNums.toSorted((a, b) => Number(a - b)) // BigUint64Array<Buffer>(4) [1n, 2n, 11n, 22n]
 - Returns BigUint64Array<ArrayBuffer>
toString 
valueOf 
- valueOf(): BigUint64Array<TArrayBuffer>
- Returns the primitive value of the specified object. - Returns BigUint64Array<TArrayBuffer>
values
- values(): ArrayIterator<bigint>
- Yields each value in the array. - Returns ArrayIterator<bigint>
with
- with(index: number, value: bigint): BigUint64Array<ArrayBuffer>
- Copies the array and inserts the given bigint at the provided index. - Parameters- index: numberThe index of the value to overwrite. If the index is negative, then it replaces from the end of the array. 
- value: bigintThe value to insert into the copied array. 
 - Returns BigUint64Array<ArrayBuffer>- A copy of the original array with the inserted value. 
- index: number
The ArrayBuffer instance referenced by the array.