The Javascript Object defineProperties() method is used to add or modify multiple object properties.
Syntax:
Object.defineProperties(object, properties)
Parameters:
object: It represents the object on which multiple properties have to be added or modified.
properties: It represents the properties that have to be added or modified.
Return:
Modified object.
Example:
<!DOCTYPE html>
<html>
<body>
<script>
const obj = {};
Object.defineProperties(obj, { prop1: {value: 56},
prop2: {value: 65}});
document.write(obj.prop1 + "<br>")
document.write(obj.prop2);
</script>
</body>
</html>