javascript - how to execute the JS before rendering the HTML page? -


i writing html page,in fire ajax request , check response receive , depending upon response,i decide whether render page or not.at present depending upon request,i redirecting url html page gets rendered.

you can't pre-html effort. logic have server side. create 'blank' page redirects content or shows content. loading elements tho needed act on logic (js / html code, etc;)

workflow be:

  1. load blank looking page js logic
  2. identify if should loading content or denying further access

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