javascript - Button - updating graphics - throwing SyntaxError -


the pdb structure loads fine, when use button update image, not work. making "uncaught syntaxerror: unexpected token }"

really don't understand why that, button should call method 3dmol.js , redraw. simplified example since there multiple buttons change style , add remove labels.

original example here: https://github.com/3dmol/3dmol.js/blob/master/tests/example.html

   <!doctype html>     <html>     <head>         <title>3dmol example - changing render options</title>          <link href="library/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">         <meta name="viewport" content="width=device-width, initial-scale=1" />         <link type="text/css" rel="stylesheet" href="style.css">          <!-- load online api; defer scripts execute after html has been parsed  -->         <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>         <script src="library/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>         <script defer src="http://3dmol.csb.pitt.edu/build/3dmol-min.js" ></script>     </head>      <body>         <!-- container whole page  -->         <div class='container'>             <!-- row pdb , plot -->             <div class='row'>                 <div class="col-md-12" >                     <div id='viewer3' class='viewer_3dmoljs' style="width: 600px; height: 600px; float:left;"                     data-pdb='3sn6' data-backgroundcolor='0xffffff' data-style='{"cartoon":{}}'>                 </div>             </div>         </div>         <!-- row buttons  -->         <div class="row">             <div class="col-md-8">                 <div id="gldiv" style="width: 600px; height: 600px; margin: 0; padding: 0; border: 0;"></div>           <div class="col-md-4">           <hr style="margin: 0;">                  <input type="button" value="stick"                 onclick="$3dmol.viewers["viewer3"].setstyle({},{stick:{}}); $3dmol.viewers["viewer3"].render();"></input>                  <input type="button" value="label alpha c's"                 onclick=addlabels($3dmol.viewers["viewer3"]); $3dmol.viewers["viewer3"].render();"></input>                  <input type="button" value="remove labels"                 onclick="$3dmol.viewers["viewer3"].removealllabels(); $3dmol.viewers["viewer3"].render();"></input>                     </div>           </div>             </div>         </div>     </div>     </body>     </html>


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