title: How to write case insensitive Javascript search
body: <p>Example:</p>
  
  <p>I have string "Waheed"  so when try to search with small letters as "waheed" the results are not coming but when I search case it is working fine.. so how can I make it not case sensitive..?
  The table data is coming from php loop so iIcan not change it to lower or uppercase..!
  And this is my Javascript code:</p>
  
  <pre><code>$("#searchStudent").on("keyup", function() {        
      var value = $(this).val();      
      if(value!='') {         
          $("table tbody tr").hide();         
          }else{          
          $("table tbody tr").show();         
      }       
      $('table tbody tr td:contains("'+value+'")').parent('tr').show();       
  }); 
  </code></pre>