Direct directive

It lets you call js function with ability of a directive. Syntax: function-name!="arguments" A function can be global (optional) or in scope. You can pass arguments, also available builtins arguments: this (scope), $element, $env. By default a function receives scope, element, value, env.

<p main-app!></p>
<p some-func!="this, $element, 123"></p>
js part
function mainApp(data, element, value, env) {
    data.someFunc = function(data, element, value) {

Example on jsfiddle