<!DOCTYPE html> <html> <head> <script> function myFunction(){ var str = "abcd"; var len = str.length; for(i=len-1;i>=0;i--) { var str2 = str.charAt(i); alert(str2); } } </script> </head> <body> <button onclick="myFunction()">Click Here</button> </body> </html>
Try Output Here :
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