The Object.is function in JavaScript serves the purpose of ascertaining whether two values are identical. This method is a special built-in functionality that allows for the comparison of values.
Syntax:
Example
Object.is(value1, value2);
Parameter
value1 : The first value to compare.
value2 : The second value to compare.
Return value:
This function provides a Boolean value that signifies whether the two provided arguments hold the same value or not.
Browser Support:
| Chrome | 30 |
|---|---|
Edge |
Yes |
| Firefox | 22 |
| Opera | Yes |
Example 1
Example
const object1 = {};
console.log(Object.is(object1));
Output:
Example 2
Example
const object1 = {
property1: 56
};
console.log(Object.is(object1));
Object.seal(object1);
console.log(Object.isSealed(object1));
Output:
Output
false
true
Example 3
Example
const object1 = {};
console.log(Object.isExtensible(object1));
console.log(Object.is(object1));
Output:
Output
true
false
