Linters for JS not working

Hi, I am pretty new to Atom and set it up nicely to work with p5JS. Only thing missing was a tool to show syntax errors. I have installed one after the other of linter-js-standard, linter-jscs and linter-jshint, but none of them throws an error, if I mess around in my javascript sketch. As usual I have a project folder with the p5-libraries and my js-sketch. Dont know what I missed. Does anyone have an idea?