method Node.isUpdateExpressionimport { Node } from "https://dotland.deno.dev/x/fresh@1.1.1/src/dev/deps.ts"; isUpdateExpression(node: Node | undefined): node is UpdateExpressionGets if the node is a UpdateExpression. Gets if the node is a UpdateExpression. Parametersnode: Node | undefined Node to check. Returnsnode is UpdateExpression