jQuery's $ and lodash's _ are not prepended to a symbol to denote a variable. Both are objects actually. In the case of jQuery, $ === jQuery (the root jQuery ob

jQuery's $ and lodash's _ are not prepended to a symbol to denote a variable. Both are objects actually. In the case of jQuery, $ === jQuery (the root jQuery object). The case that the parent is talking about is PHP's requirement that all variables are denoted as such `$variable_name`. (Perl and Bash also do this)