html - indexOf method in jquery? -


i have lost of special character in var name"str" want user enter character within alert him "hiii" else "byeee" depending on indexof check of string

<head> <script type="text/javascript" src="jquery-1.7.2.js"></script> <script type="text/javascript"> $(function(){     $('#me').click(function(){     var amd=$('.text').val();      var str="[,],{,},<,>"      if(amd.indexof(str)>-1){          alert('hiiiii')          }            else {         alert('byee')         }     })     }) </script> </head> <body> <input type="text" class="text" /> <input type="button" value="click" id="me"/> </body>

you use regex match this, way, should add ; every end of line, habit.

$(function () {     $('#me').click(function () {         var amd = $('.text').val();         if (amd.match(/[\[\]{}<>]/)) {             alert('hiiiii');         } else {             alert('byee');         }     }); });

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