Function getById

getById(projectId): JProject
JMap.Project.getById

Returns the project for the given project id.
Parameters
- projectId: JId
  The JMap project id
Returns JProject
Throws
error if the project doesn't exists or if projectId is not a valid JMap Id.

Example
```
// Get Project id 2
const project = JMap.Project.getById(2)
console.log("Project '" + project.name + "' is loaded")
```