function test($scope) {
}
angular.module("app", []).controller("test", test).
filter("fullname", function() {
var filterfun = function(person, sep) {
sep = sep || " ";
person = person || {};
person.first = person.first || "";
person.last = person.last || "";
return person.first + sep + person.last;
};
return filterfun;
});
<div ng-app="app" ng-controller="test">
num:<input ng-model="num" />
<br/>
{{num | number}}
<br/>
{{num | number:2}}
<br/>
first name:<input ng-model="person.first"/>
<br/>
last name:<input ng-model="person.last"/>
<br/>
name: {{person | fullname}}
<br/>
name: {{person | fullname:"- -"}}
<br/>
name: {{person | fullname:" " | uppercase }}
</div>