JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript" ng:autobind
src="http://code.angularjs.org/0.10.4/angular-0.10.4.js"></script>

<div ng:controller="Ctrl">
    <div ng:repeat="greek in ['alpha', 'omega']">
        <button ng:click="$parent.letter = greek">Assignment expression {{ greek }}</button>
        <button ng:click='set_letter(greek)'>Function call {{ greek }}</button>
    </div>
    <button ng:click="letter = 'outside '">Outside assignment expression</button>
</br>
    Letter set to: {{ letter }}
</div>

JavaScript

function Ctrl() {
    scope = this;
    this.set_letter = function(i) {
        scope.letter = i;
    };

};