JavaScript Object.is() Method

The Object.is() method of JavaScript is used to determine whether two values are the same value. There is a special built-in method that compares values.

Syntax:

Parameter

value1: The first value to compare.

value2: The second value to compare.

Return value:

This method returns a Boolean indicating whether or not the two arguments are the same value.

Browser Support:

Chrome	30
Edge	Yes
Firefox	22
Opera	Yes

Example 1

const object1 = {};
console.log(Object.is(object1));

Output:

false

Example 2

 const object1 = {
  property1: 56
};
console.log(Object.is(object1));

Object.seal(object1);
console.log(Object.isSealed(object1));

Output:

false
true

Example 3

const object1 = {};
console.log(Object.isExtensible(object1));
console.log(Object.is(object1));

Output:

 true
false

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