The above created view is reading data from the controller as shown in the listing below:. The filter we created above does not take any input parameter, but let us say we want one there. This can be done very easily. In the above filter we are returning each character of the string in upper case. In the next filter we will pass the position and only the character at that position will be converted to capital.
So, the filter which takes input parameter can be created as shown in the listing below:. We can use toPositionUpperCase custom filter in the view as shown the listing below.
As you will notice, we are passing the input parameter to the custom filter using the colon. We will get the second letter of product name rendered in the capital case on the view as shown in the image below:. Before we conclude this article, let us create a custom filter which will be applied on the collection of items.
Let us say from the list of products, we want to filter all the products greater than a given price. We can write this custom filter as shown in the listing below:. We can use the custom filter on the view as shown in the listing below. We are passing the price parameter from the input type text box.
I hope you enjoyed reading! See the original article here. Over a million developers have joined DZone. Check out this post and learn how. Join the DZone community and get the full member experience. Have you ever used filters with the ng-repeat directive as shown in the listing below?
Mike Feltman 4, 1 9 My example is actually a little more complex than it needs to be.
Building Custom AngularJS Filters. Ado Kukic (@kukicado) February 02, 0 Comments , Views so let's jump to some examples that will demystify writing custom filters. Today we built our own custom AngularJS filters. We learned how to create filters from scratch, built filters that did single tasks and created filters that had.
Angular filters are one of the toughest concepts to work with. They’re a little misunderstood and it actually hurt my brain whilst learning them. Everything about custom filters in AngularJS Tagged in AngularJS • May 28, • 6 mins read • so we’re technically writing a function that gets passed into our.