You are currently browsing legacy 4.0 version of documentation. Click here to switch to the newest 5.1 version.
Session: How to Check if Entity has Changed
To check if a specific entity differs from the one downloaded from server, the hasChanged() method from the advanced session operations can be used.
Syntax
session.advanced.hasChanged(entity);| Parameters | ||
|---|---|---|
| entity | object | Entity for which changes will be checked. |
| Return Value | |
|---|---|
| boolean | Indicates whether given entity has changed. |
Example
const employee = await session.load("employees/1-A");
let hasChanged = session.advanced.hasChanged(employee); // false
employee.lastName = "Shmoe";
hasChanged = session.advanced.hasChanged(employee); // true