Hi. HTML5 introduced meter element [1], which is basically a progressbar role but can be in special states:
1) optimal state when value is in optimal rage (for example, if low < optimum < high then value should be in [low, high], if optimum > high then value should be greater than high. 2) suboptimal state when value is in range next to optimum range (for example, if low < optimum < high then value < low is suboptimal. 3) subsuboptimal state when value is not neither optimal nor suboptimal for example if optimum > high but value < low. Firefox colors these states as green/yellow/red. [1] http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-meter-element Mozilla bug https://bugzilla.mozilla.org/show_bug.cgi?id=559770 Some examples: http://peter.sh/examples/?/html/meter-progress.html Try it out: http://www.w3schools.com/tags/tryit.asp?filename=tryhtml5_meter Thanks. Alex.
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