bim+ websdk is a javascript wrapper around the bim+ api
https://doc.allplan.com/display/bimpluspublic/Bimplus+Web+SDK+Reference
There is also npm package available :
https://www.npmjs.com/package/bimplus-websdk
To use this library you need to have installed these packages :
- jQuery min. ver. 2.2.4 https://jquery.com/