<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>FirstApp</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://unpkg.com/systemjs/dist/system.js"></script>
<script>
SystemJS.config({
baseURL:'/first-app/sec/module',
transpiler: 'plugin-babel',
map:{
'plugin-babel':'https//unpkg.com/systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'https//unpkg.com/systemjs-plugin-babel/systemjs-babel-brower.js'
}
});
SystemJS.import('main.js');
</script>
</head>
<body>
<app-root>Loading...</app-root>
</body>
</html>
SystemJS 최신버전에선 강의에서 사용된 함수 호출에 문제가 있어 보입니다.
0.21.5 버전을 사용해 보세요.