But the React JavaScript UI framework jumped from 20 percent in 2017 to 25.77 percent in 2018. Slightly more popular was Spring, the Java framework, at 25.9 percent.

The survey found that Python is more popular than Java overall. A total of 52% reported using Python this year, compared to 49% who said they used Java. Last year it was 55% to Java and 54% to Python.

JavaScript and Java scored high as both most liked and most disliked programming languages in JetBrains’ State of the Developer Ecosystem survey. Perl was far and away the most disliked language.

First of all, JavaScript is not Java. It has nothing to do with Java (The language and its associated technologies from Sun Microsystems). To be honest, I'm not even sure why it's called JavaScript.