layoutHead 
Purpose
Used in layouts to output the contents of the head tag of the decorated page. Equivalent to the SiteMesh <decorator:head /> tag.Examples
Example decorated page:<html>
   <head>
        <meta name="layout" content="myLayout" />
        <script src="myscript.js" />
   </head>
   <body>Page to be decorated</body>
</html> Example decorator layout:<html>
   <head>
        <script src="global.js" />
        <g:layoutHead />
   </head>
   <body><g:layoutBody /></body>
</html> Results in:<html>
   <head>
        <script src="global.js" />
        <script src="myscript.js" />
   </head>
   <body>Page to be decorated</body>
</html> 
Source
Show Source
def layoutHead = { attrs ->
        getPage().writeHead(out)
    }