javascript - Simplifying js for a dropdown -


I have a pretty basic code for a dropdown HTML code, as it works but to make it easier Is this a JS code? 

  $ (document) .ready (function () {var n = ".dropdown-menu", no = 'drop'; $ ('.downloaddown') Click (function () {If ($ (n) .hasClass (no)) {$ (n) .removeClass (no);} else {$ (n) .addClass (no);}}). Mouseover (function () {$ (n ) .addClass (no);}). Mouseout (function () {if ($ (n) .mouseover ()) {$ (n) .removeClass (no);}})});   
 Please note that I know that I can add only one row to  CSS itself . So there is no question.    #navigation-top #navigation holder Lee: hover & gt; Ul {display: block; }    
 
 
 We can use toggleclass instead of add / remove class. In the code below, we can check that if you check and call directly callclass  
  if ($ (n) .mouseover ()) {$ (n) .removeClass (no) ; }   
 So the last customized code like this:  
  $ ('. Dropdown'). Click (function () {$ (n) .toggleClass (no);}) mouseover (function () {$ (n) .addClass (no);}). Mouseout (function () {$ (n) .removeClass (no);})

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