When we want to format data in angularJS then we use filter.There are n number of filter available in angularJS which is used to transform data. AngularJS filter are:
1) Currency: Which will format a number to a currency format.
2) date:Which will format a date to a specified format.
3) filter:Select a subset of items from an array.
4) lowercase:Format a string to lower case.
5) uppercase:Format a string to upper case.