Can I define multiple variables in JavaScript which rely on one another? -


i'm trying find out whether following code work (in implementations of javascript) , whether there concerns using it:

var query = window.location.search.substring(1),     vars = query.split('&');

basically, js engine process variables in order in defined in js?

i using query variable elsewhere, otherwise define vars as

var pairs = window.location.search.substring(1).split('&');

in general, there 'concerns' both defining variable , assigning value in 1 fell swoop, comes more complex assignment?

there no concern, can use when define - there no problem. javascript hoists variables. whenever define variable, move top of current function. illustrate

(function(){     foobar = 3; // doesn't throw, since foobar in var statement, although it's later     if(false){          var foobar = 5;     }  })();

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