Javascript newbie function doubts -

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i learning javascript , never got idea of difference between creating function this:

var justme = function(param1, param2) {      code code code; };

and this:

function justme(param1, param2) {     code code code; }

and why in second example semi-colon not requiered @ end, in first example?

i'll give simply.

function justme(param1, param2) {     code code code; }

here declaring function in it's original syntax.

var justme = function(param1, param2) {      code code code; };

here assigning function body variable , hence require end semicolon.

HPH