JavaScript

JavaScript Error Handling

Below code use error handling in js.   
  1.  function Navigate() {  
  2.         try {  
  3.             addlert("Welcome guest!");  
  4.         }  
  5.         catch (err) {  
  6.             txt = "There was an error on this page.\n\n";  
  7.             txt += "Error description: " + err.message + "\n\n";  
  8.             txt += "Click OK to continue.\n\n";  
  9.             alert(txt);  
  10.         }  
  11.     }  
  12. </script>  
  13. <body>  
  14.     <form id="form1" runat="server">  
  15.     <div>  
  16.         <%-- <asp button type="button" onclick="alert('Welcome!')">Click Me!</button>--%>  
  17.         <asp:Button ID="Button1" Text="Open Web site" OnClientClick="Navigate()" runat="server" />          
  18.     </div>  
  19.     </form>  
  20. <body> 
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