object expected error and code 800a138f in webRTC code example

Example: microsoft jscript runtime error 800a138f

{
  "name": "2",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "start": "app.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.13.3"
  }
}