Applying conditional expressions to add or remove elements in Document Object Model (DOM) i.e our HTML structure we usually use NgIf, NgIf ELse or NgIf Then Else. But if there are more then two outputs other then true or false, NgIf simply makes conditional expressions more complex and messy.
Switch case strategy which we use in JavaScript is available in Angular as NgSwitch Directive. NgSwitch Directive can be used to match multiple conditions while keeping the DOM structure simple, clean and easy to understand.
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