@microsoft/fast-element > ExecutionContext

ExecutionContext class

Provides additional contextual information available to behaviors and expressions.

Signature:

export declare class ExecutionContext<TParent = any, TGrandparent = any> 

Properties

Property Modifiers Type Description
event Event The current event within an event handler.
index number The index of the current item within a repeat context.
isEven boolean Indicates whether the current item within a repeat context has an even index.
isFirst boolean Indicates whether the current item within a repeat context is the first item in the collection.
isInMiddle boolean Indicates whether the current item within a repeat context is somewhere in the middle of the collection.
isLast boolean Indicates whether the current item within a repeat context is the last item in the collection.
isOdd boolean Indicates whether the current item within a repeat context has an odd index.
length number The length of the current collection within a repeat context.
parent TParent The parent data object within a repeat context.
parentContext ExecutionContext<TGrandparent> The parent execution context when in nested context scenarios.