Options
All
  • Public
  • Public/Protected
  • All
Menu

Interface IDBArrayKey

Hierarchy

Indexable

[n: number]: IDBValidKey

Index

Properties

Array

length

length: number

Gets or sets the length of the array. This is a number one higher than the highest element defined in an array.

Methods

concat

every

  • every<S>(predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => value is S, thisArg?: any): this is S[]
  • every(predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => unknown, thisArg?: any): boolean
  • Determines whether all the members of an array satisfy the specified test.

    Type parameters

    Parameters

    • predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => value is S

      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 a value which is coercible to the Boolean value false, or until the end of the array.

    • Optional thisArg: 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 this is S[]

  • Determines whether all the members of an array satisfy the specified test.

    Parameters

    • predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => unknown

      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 a value which is coercible to the Boolean value false, or until the end of the array.

    • Optional thisArg: 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

filter

  • Returns the elements of an array that meet the condition specified in a callback function.

    Type parameters

    Parameters

    • predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => value is S

      A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.

    • Optional thisArg: 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 S[]

  • Returns the elements of an array that meet the condition specified in a callback function.

    Parameters

    • predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => unknown

      A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.

    • Optional thisArg: 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 IDBValidKey[]

forEach

  • Performs the specified action for each element in an array.

    Parameters

    • callbackfn: (value: IDBValidKey, index: number, array: IDBValidKey[]) => void

      A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.

    • Optional thisArg: 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

indexOf

  • indexOf(searchElement: IDBValidKey, fromIndex?: number): number
  • Returns the index of the first occurrence of a value in an array.

    Parameters

    • searchElement: IDBValidKey

      The value to locate in the array.

    • Optional fromIndex: number

      The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.

    Returns number

join

  • join(separator?: string): string
  • Adds all the elements of an array separated by the specified separator string.

    Parameters

    • Optional separator: 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

lastIndexOf

  • lastIndexOf(searchElement: IDBValidKey, fromIndex?: number): number
  • Returns the index of the last occurrence of a specified value in an array.

    Parameters

    • searchElement: IDBValidKey

      The value to locate in the array.

    • Optional fromIndex: number

      The array index at which to begin the search. If fromIndex is omitted, the search starts at the last index in the array.

    Returns number

map

  • Calls a defined callback function on each element of an array, and returns an array that contains the results.

    Type parameters

    • U

    Parameters

    • callbackfn: (value: IDBValidKey, index: number, array: IDBValidKey[]) => U

      A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.

    • Optional thisArg: 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 U[]

pop

  • Removes the last element from an array and returns it.

    Returns IDBValidKey | undefined

push

  • Appends new elements to an array, and returns the new length of the array.

    Parameters

    • Rest ...items: IDBValidKey[]

      New elements of the Array.

    Returns number

reduce

  • 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

    Returns IDBValidKey

  • Parameters

    Returns IDBValidKey

  • 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

    • U

    Parameters

    • callbackfn: (previousValue: U, currentValue: IDBValidKey, currentIndex: number, array: IDBValidKey[]) => U

      A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.

    • initialValue: U

      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.

    Returns U

reduceRight

  • 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

    Returns IDBValidKey

  • Parameters

    Returns IDBValidKey

  • 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

    • U

    Parameters

    • callbackfn: (previousValue: U, currentValue: IDBValidKey, currentIndex: number, array: IDBValidKey[]) => U

      A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.

    • initialValue: U

      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.

    Returns U

reverse

shift

  • Removes the first element from an array and returns it.

    Returns IDBValidKey | undefined

slice

  • Returns a section of an array.

    Parameters

    • Optional start: number

      The beginning of the specified portion of the array.

    • Optional end: number

      The end of the specified portion of the array. This is exclusive of the element at the index 'end'.

    Returns IDBValidKey[]

some

  • some(predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => unknown, thisArg?: any): boolean
  • Determines whether the specified callback function returns true for any element of an array.

    Parameters

    • predicate: (value: IDBValidKey, index: number, array: IDBValidKey[]) => unknown

      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 a value which is coercible to the Boolean value true, or until the end of the array.

    • Optional thisArg: 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

sort

  • Sorts an array.

    Parameters

    • Optional compareFn: (a: IDBValidKey, b: IDBValidKey) => number

      Function used to determine the order of the elements. It is expected to return a negative value if first argument is less than second argument, zero if they're equal and a positive value otherwise. If omitted, the elements are sorted in ascending, ASCII character order.

      [11,2,22,1].sort((a, b) => a - b)

    Returns this

splice

  • Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.

    Parameters

    • start: number

      The zero-based location in the array from which to start removing elements.

    • Optional deleteCount: number

      The number of elements to remove.

    Returns IDBValidKey[]

  • Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.

    Parameters

    • start: number

      The zero-based location in the array from which to start removing elements.

    • deleteCount: number

      The number of elements to remove.

    • Rest ...items: IDBValidKey[]

      Elements to insert into the array in place of the deleted elements.

    Returns IDBValidKey[]

toLocaleString

  • toLocaleString(): string
  • Returns a string representation of an array. The elements are converted to string using their toLocalString methods.

    Returns string

toString

  • toString(): string
  • Returns a string representation of an array.

    Returns string

unshift

  • Inserts new elements at the start of an array.

    Parameters

    • Rest ...items: IDBValidKey[]

      Elements to insert at the start of the Array.

    Returns number

Generated using TypeDoc