我在angular2-seed中发现了一些奇怪的符号<%%>,这些<% %>符号有什么用处呢?
https://github.com/AngularClass/angular2-webpack-starter/blob/master/src/index.html
<!DOCTYPE html>
<html lang="">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title><%= htmlWebpackPlugin.options.title %></title>
<meta name="description" content="<%= htmlWebpackPlugin.options.title %>">
<% if (webpackConfig.htmlElements.headTags) { %>
<!-- Configured Head Tags -->
<%= webpackConfig.htmlElements.headTags %>
<% } %>
<!-- base url -->
<base href="<%= htmlWebpackPlugin.options.metadata.baseUrl %>">
</head>
<body>
<app>
Loading...
</app>
.....
<% if (htmlWebpackPlugin.options.metadata.isDevServer && htmlWebpackPlugin.options.metadata.HMR !== true) { %>
<!-- Webpack Dev Server reload -->
<script src="/webpack-dev-server.js"></script>
<% } %>
</body>
</html>