They are similar and have some overlap. However, the overlap is not 100%, so it's good practice to use both jshint and jscs together. jshint is a static code a

They are similar and have some overlap. However, the overlap is not 100%, so it's good practice to use both jshint and jscs together. jshint is a static code analysis tool to identify and flag errors/potential errors in JS code. jscs is purely a style checker.