If you've been using JSHint for an extended period of time you may have encountered warnings being printed to the console akin to the following:
scripts.js: line 23, col 1, Mixed spaces and tabs. scripts.js: line 44, col 1, Mixed spaces and tabs.
This warning occurs as JSHint will not allow spaces and tabs to be used together.
Switching this off is quite easy...
"-W099" : true
Which will stop warnings about mixed spaces and tabs being printed to the console.