Prevent displaying page confirmation prompts when a user clicks on hyperlinks

One way to display a confirmation message when a user tries to leave the current page is by using this method:

window.addEventListener("beforeunload", function (e) {
              var confirmationMessage = "Are you sure you want to leave?";

              e.returnValue = confirmationMessage;     // Gecko, Trident, Chrome 34+
              return confirmationMessage;              // Gecko, WebKit, Chrome <34
        });

This also applies to clicking on links, which is expected behavior as it involves leaving the page.

Is there a specific Javascript technique to prevent this confirmation message from appearing when clicking on hyperlinks, similar to what other websites have implemented?

javascript

Answer №1

In order for the confirmation to appear, make sure that e.returnValue is not an empty string. It's important to check which object triggered the event and set the value accordingly:

   window.addEventListener("beforeunload", function (e) {
          var confirmationMessage = "";

          // Check if the target of the event is not a link
          if(e.target.nodeName !== "A"){
              confirmationMessage = "Are you sure?";
          }

          e.returnValue = confirmationMessage;     // Supported in Gecko, Trident, Chrome 34+
    });

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