List.every method

Checks whether the specified callback function returns true for all elements in a list.

Syntax

var boolean = list.every(callback, thisArg);

Parameters

• callback
  Type: Function

  A function that accepts up to three arguments. This function is called for each element in the list until it returns false or the end of the list is reached.

• thisArg
  Type: Object

  An object to which the this keyword can refer in the callback function. If thisArg is omitted, undefined is used.

Return value

Type: Boolean

true if the callback returns true for all elements in the list.

Requirements

Minimum WinJS version	WinJS 1.0
Namespace	WinJS.Binding

See also

List