Loading JavaScript files - conditional concatenation -


to reduce http requests, i'm using grunt combine of scripts 2 files: scripts-head.js , scripts-body.js.

there scripts (shims, example) need served legacy ie browsers. should i:

  1. use conditional comment <!--[if lt ie 9]> - mean more http requests.
  2. just add legacy ie scripts along other concatenated files - result in unused code modern browsers, mean less http requests.
  3. another option?? (some way conditional concatenation?)

  1. use conditional comment. cleaner way.

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