I cant able to use Custom Options, drop-down showing error in prototype.js:612

enter image description here

and my prototype.js:


  • i have checked your prototype.js and js is good you have any custom coding or js added? – Rakesh Donga Mar 20 '19 at 10:35
  • @RakeshDonga Actually the project maintained by couple of peoples, so is any way i can find what is the issue? – zus Mar 20 '19 at 11:02
  • check any js code your admin side – Rakesh Donga Mar 20 '19 at 11:05
  • @RakeshDonga Yes i need to manually test all the Js file under public_html/js folder, is any quick way can i sort out the error? – zus Mar 20 '19 at 11:07
  • @RakeshDonga If i run my live code into localhost its working, actually now i backup my code and run in my localhost its working. – zus Mar 20 '19 at 12:07

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