What are the different ways to create filters?

You can define filters in two ways,

1. Local filters: You can define local filters in a component's options. In this case, filter is applicable to that specific component.

filters: {
capitalize: function (value) {
if (!value) return ''
value = value.toString()
return value.charAt(0).toUpperCase() + value.slice(1)
}
}

2. Global filters: You can also define a filter globally before creating the Vue instance. In this case, filter is applicable to all the components with in the vue instance,

Vue.filter('capitalize', function (value) {
if (!value) return ''
value = value.toString()
return value.charAt(0).toUpperCase() + value.slice(1)
})

new Vue({
// ...
})