What is the purpose of ngIf directive?

Posted by Jessica Taylor | Updated on

Sometimes an app needs to display a view or a portion of a view only under specific circumstances. The Angular ngIf directive inserts or removes an element based on a truthy/falsy condition. Let’s take an example to display a message if the user age is more than 18,

Note: Angular isn’t showing and hiding the message. It is adding and removing the paragraph element from the DOM. That improves performance, especially in the larger projects with many data bindings.


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