What is the purpose of filters in AngularJS?
Instruction: Explain what filters do in AngularJS and provide examples of their use.
Context: This question tests the candidate's understanding of AngularJS filters and their ability to effectively utilize them for transforming and displaying data in the UI.
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AngularJS filters transform values for presentation. Templates can use a pipe expression, and JavaScript can retrieve the same filter through $filter. A filter is not a security filter or a substitute for validating stored data.
Examples include uppercase/lowercase for text, date for date presentation, currency/number for numeric formatting, and filter/orderBy for selecting or ordering array values...