Testing HTML/CSS/Javascript skills when hiring -

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when hiring front-end developer, specific skills , practices should test for? metric evaluating skill in html, css , javascript?

obviously, table-less semantic html , pure css layout key skills. specific techniques? should he/she able effortlessly mock multi-column layout? css sprites? equal height (or faux) columns? html tag choice matter (ie, relying heavily on <div>)? should able explain (in words) how floats work?

and javascript skills? how important framework experience (jquery, prototype, etc). today?

obviously, details of position , sites they'll working on best indication of skills needed. i'm wondering specific skills people might consider deal-breakers (or makers) when creating tests candidates.

when interview people position of client-side developer try figure out:

 1) understanding dom (what that, how related html etc) 2) understanding xml/namespaces 3) understanding javascript (object-oriented? otherwise) 4) knowing approaches componentization (xbl, htc) - plus 5) understanding oo principles 6) javascript closures 7) memory leaks in browsers

the simple test case give right away:

 <script type="text/javascript"> var = 1; </script>

i suggest interviewee explain in technical terms line.

and check on overall awareness of current state of web technologies, among other questions suggest designing web-browser interviewee suggested pick technologies put brand-new creature, suggest ones might missing current client-side platform.


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