If you want to sell your plugin with envato market, you should make sure that you follow the next guidelines.
Step 1: Remove commented code
Run through your files and make sure that no commented code exists. If it exists, just delete it.
Step 2: Use strict mode in javascript
Make sure that your code is like this:
jQuery(function () { 'use strict'; ...
Step 3: Use WordPress escaping functions
Replace
__
withesc_html__
_e
withesc_html_e