在看LABjs源代码时,发现里面有个将相对地址转为绝对地址的函数,将其拿出纪录如下: 代码如下: function canonical_uri(src, base_path) { var root_page = /^[^?#]*\//.exec(location.href)[0], root_domain = /^\w+\:\/\/\/?[^\/]+/.exec(root_page)[0], absolute_regex = /^\w+\:\/\//; // is `src` is protocol-relative (begins with // or //
