This blog post was 3x longer than it should have been.
The SO survey results explain the situation clearly enough, which already makes it obvious that everybody's perception about JavaScript being used in almost every aspect of programming and by most of the devs, mostly because it was implemented first on browsers, which are now some sort of ultimate medium for applications.
But anyways. This seems to be just a repost of the SO survey to what appears to be a victory to JS lovers.