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Plain old Javascript object properties can be deleted like so...
var foo = {bar: 'baz'};
delete foo.bar
How do you delete (not just set to null) a property in an Ember object?
var foo = Ember.Object.create({bar: 'baz'});
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Remove Property from an ObjectThe delete operator deletes both the value of the property and the property itself. After deletion, the property cannot be used before it is added back again. The delete operator is designed to be used on object properties. It has no effect on variables or functions.
In JavaScript, there are 2 common ways to remove properties from an object. The first mutable approach is to use the delete object. property operator. The second approach, which is immutable since it doesn't modify the original object, is to invoke the object destructuring and spread syntax: const {property, ...
What are Computed Properties? In a nutshell, computed properties let you declare functions as properties. You create one by defining a computed property as a function, which Ember will automatically call when you ask for the property. You can then use it the same way you would any normal, static property.
foo.set('bar', undefined)
This will delete the attribute and trigger any observer
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