SAP UI5
in global variable sap.ui there are many useful utility service available, such as current browser and os information.
and use sap.ui.getCore().byId, we can get any UI5 control instance by its id:
微信小程序
wx for Wechat mini program is as sap.ui for SAP UI5:
__wxConfig is another useful global variable for debugging purpose, cannot be used in mini program itself unfortunately.