… in IE7+
…ond.js function. The source code for this polyfill is here https://github.com/paulirish/matchMedia.js, and including it out-of-the-box will make things easier to keep updated, and allow for smaller file compression for those already including it via Modernizr or otherwise (if you are, you can delete it from Respond.js).
…extra object detection to prevent error
…spond.proxy.gif remains relative instead of http://example.com/respond.proxy.gif. This trickery resolves that issue.
… optional external proxy plugin can fix it up in a second pass.
This change makes Respond check an expando property on the stylesheet to see if its text is stored there before attempting to retrieve it from the cache/server. This check eases compatibility with other CSS-parsing frameworks, such as Selectivizr, which now populates this expando by default. This may also introduce a simple tie-in for scripts that perform cross-domain workarounds for fetching CSS.
…do property. Selectivizr script must be run first.