exists()

Description

Checks whether the specified item exists in the diagram

Usage

exists(id: string | number): boolean;

Parameters

• id - (required) the id of the item in question

Returns

The method returns true if the item exists, otherwise false

Example

const diagram = new dhx.Diagram("diagram_container", {
    type: "default"
});
diagram.data.parse(data);

const shape = diagram.data.exists("1");