I'd rather have Flash + HTML that I can parse and view on any application rather than JS that works on the list of Approved Browsers that were all released with

I'd rather have Flash + HTML that I can parse and view on any application rather than JS that works on the list of Approved Browsers that were all released within the past week. Nobody would've made a Flash-only site but for some reason JS-only sites that shut out anyone with slow computers, old computers, mobile browsers that aren't Safari, etc. are totally okay.