Revision as of 08:30, 2 May 2020 by WTranlatebot (talk | contribs) (Importing a new version from external source)
General JavaScript remarks
It is usually advised to follow the guidelines like those laid out at the JavaScript Toolbox or this blog by Sarfraz Ahmed. Two remarks in particular are important for userscripts in the editor: make sure you use the var keyword when declaring variables (otherwise they get put in the global scope where they may conflict with other scripts) and when you add an event listener to the map somewhere, make sure your code doesn't break (null pointers, for example) as this will swallow the event and will prevent other code (including the editor itself) from reacting to that event. Use a try ... catch if you want to play safe.