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I suspect it's mostly preference & less keystrokes (single tick requires no shift key). All the answers on stack overflow seem to indicated there's not really a

I suspect it's mostly preference & less keystrokes (single tick requires no shift key). All the answers on stack overflow seem to indicated there's not really a difference: http://stackoverflow.com/questions/3149192/difference-between-single-quotes-and-double-quotes-in-javascript http://stackoverflow.com/questions/3149192/difference-betwee... http://stackoverflow.com/questions/242813/when-to-use-double-or-single-quotes-in-javascript http://stackoverflow.com/questions/242813/when-to-use-double...

whoopdedo 11y ago
Some languages (Perl and PHP) will interpolate variables in double-quoted strings. Getting in the habit of typing single-quotes defends against accidentally using variable substitution when you don't mean to.
- nemild 11y ago
  And Ruby
- univerio 11y ago
  But some other languages (C/C++) have different meaning assigned to single-quoted strings. Getting in the habit of typing double quotes will ensure you will always get a string.
batuhanicoz 11y ago
On my Turkish Q keyboard, double quotes are the one keystroke and single quote is shift+2. Since I'm lazy I keep using double quotes when writing JavaScript.