Identifying whether a Property in an Object is another Object

Question

Identifying whether a Property in an Object is another Object

I'm planning to utilize JSON for stringifying the value of a property within an object, which will then be stored as a Tag on Google Calendar using Google Apps Script. The value in question is actually a double-nested Object (look at extraAttributes within myObject).

The structure of my object looks like this:

var myObject = {
  "location": "somwehere",
  "date": new Date(),
  "numSomething": 20,
  "extraAttributes": {"used": true, "interval": 60, "internals": {"timer": 10, "visible": false} }
}

I've tried to organize it neatly and make it readable... however, myObject typically includes between 20-40 properties, some of which are nested Objects. This leads to the following question:

Is there a way to determine if the value of a property in an Object is also an object itself (considering additional levels of nesting)? I am concerned about how JSON.stringify and JSON.parse may impact other data (I have only tested it on the particular Object type and it worked fine) and whether these functions would affect script performance when dealing with 20-40 properties.

I am considering checking if the value is an Object before stringification (would this approach be inefficient?). Please provide insights on Objects and nesting, especially if they may pose significant challenges in the future ;)

javascript object properties google-apps-script

Answer 1

Answer №1

Most values in JavaScript can be converted to JSON, except for functions and undefined. For more information on this topic, you can refer to this answer.

If you want to understand how to check the type of a value in JavaScript, you should learn about the typeof operator.

Answer 2

Most values in JavaScript can be converted to JSON, except for functions and undefined. For more information on this topic, you can refer to this answer.

If you want to understand how to check the type of a value in JavaScript, you should learn about the typeof operator.

Answer 3

Answer №2

One alternative method to determine if an element is an object instead of relying on typeof (which may give incorrect results in certain situations – for instance, typeof [] === 'object') is to utilize the Object constructor:

var obj = { name: 'John' };
var str = 'example';
console.log(obj === Object(obj)) // true
console.log(str === Object(str)) // false

Answer 4

One alternative method to determine if an element is an object instead of relying on typeof (which may give incorrect results in certain situations – for instance, typeof [] === 'object') is to utilize the Object constructor:

var obj = { name: 'John' };
var str = 'example';
console.log(obj === Object(obj)) // true
console.log(str === Object(str)) // false

Identifying whether a Property in an Object is another Object

Answer №1

Answer №2

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