js 创建多行字符串

function heredoc(fn) {
    return fn.toString().split(‘\n‘).slice(1,-1).join(‘\n‘) + ‘\n‘
}

var tmpl = heredoc(function(){/*
    !!! 5
    html
      include header
      body
        //if IE 6
            .alert.alert-error
                center 对不起，我们不支持IE6，请升级你的浏览器
                    a(href="http://windows.microsoft.com/zh-CN/internet-explorer/download-ie") | IE8官方下载
                    a(href="https://www.google.com/intl/en/chrome/browser/") | Chrome下载
        include head
        .container
            .row-fluid
                .span8
                    block main
                    include pagerbar
                .span4
                    include sidebar
        include footer
        include script
 */});