List.some method

Applies to Windows and Windows Phone

Checks whether the specified callback function returns true for any element of a list.

Syntax


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

Parameters

callback

Type: Function

A function that accepts up to three arguments. The function is called for each element in the list until it returns true, or until the end of the list.

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 callback returns true for any element in the list.

Requirements

Minimum supported client

Windows 8 [Windows Store apps only]

Minimum supported server

Windows Server 2012 [Windows Store apps only]

Minimum supported phone

Windows Phone 8.1

Namespace

WinJS.Binding

Library

Base.js

See also

List

 

 

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