Mastering JavaScript Promises

Interactive promises

Interactive promises are extended promises that add more value to the paradigm by adding two more functions to its arsenal, get and call:

• get(propertyName): This function requests the given property from the target of promise. This also returns a promise to provide the value of the stated property from promise's target.
• call(functionName, arg1, arg2…): This function requests to call the given method/function on the target of promise. It also returns a promise to provide the return value of the requested function call.