function Import()
{
for( var i=0; i<arguments.length; i++ )
{
var file = arguments;
if ( file.match(/\\.js$/i))
document.write('<script type=\\"text/javascript\\" src=\\"' + file + '\\"></sc' + 'ript>');
else
document.write('<style type=\\"text/css\\">@import \\"' + file + '\\" ;</style>');
}
};

 

在a.js中 Import(b.js) 就OK