--- title: Object isFrozen --- ## Object isFrozen You can use `Object.isFrozen()` to figure out if an object is frozen or not. It returns a `true` or `false` boolean value.

SYNTAX

```javascript Object.isFrozen(obj) ``` For Example: ```javascript var foods = { grain : "wheat", dairy : "milk", vegetable : "carrot", fruit : "grape" }; var frozenFoods = Object.freeze(foods); var areMyFoodsFrozen = Object.isFrozen(frozenFoods); \\ returns true ``` Remember, a frozen object cannot have its properties changed.

If you try to use `Object.isFrozen()` on a non-object argument, it will return `true`. #### More Information: MDN Object.isFrozen()
MDN Object.freeze()