Example of the filter helper in handlebars

filter.handlebars

---
animal: cat

mylist:
  - dog
  - bear
  - cat

myprop: species

zoo:
  - species: dog
    name: odie
  - species: cat
    name: felix
  - species: lion
    name: leo
---

{{#filter mylist animal}}
  look, there's a {{this}}
{{else}}
  no cats found
{{/filter}}

{{!-- outputs "look there's a cat" --}}

{{#filter zoo animal property=myprop}}
  hi {{ name }}
{{else}}
  no cats found
{{/filter}}

{{!-- "hi felix" --}}