code: function createInstanceContext (
    instanceId,
    runtimeContext,
    data
  ) {
    if ( data === void 0 ) data = {};
  
    var weex = runtimeContext.weex;
    var instance = instanceOptions[instanceId] = {
      instanceId: instanceId,
      config: weex.config,
      document: weex.document,
      data: data
    };
  
    // Each instance has a independent `Vue` module instance
    var Vue = instance.Vue = createVueModuleInstance(instanceId, weex);
  
    // DEPRECATED
    var timerAPIs = getInstanceTimer(instanceId, weex.requireModule);
  
    var instanceContext = Object.assign({ Vue: Vue }, timerAPIs);
    Object.freeze(instanceContext);
    return instanceContext
  }
docs: Create instance context.