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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");