insert

Inserts the provided object into the list, before the specified reference object.

insert(target: T, before?: T): this

Notes

• If no before argument is specified, the target object is added to the end of the list.

Parameters

• target — The object to insert
• before — The reference object, before which to insert the target object

Errors

• This method throws an error if the target object is already in the list.
• This method throws an error if the target object isn’t of the correct type (see restrict()).
• This method throws an error if the reference object isn’t in the list.

Related

• class ManagedListA data structure that contains an ordered set of managed objects.