TreeListBase.isNodeExist

Syntax

isNodeExist(nodeKey);

nodeKey. String. Node key.

The isNodeExist method returns whether the specified node exists.

Executing the example requires the SimpleTreeList component with the Tree identifier (see Example of Creating the SimpleTreeList Component).

// Check if the node exists
Tree.isNodeExist("10");
// -> false

After executing the example it is obtained whether the node with the 10 key exists.