Search code examples
javascriptphpjqueryajaxforms

Enter key to submit Ajax form


I have a very simple AJAX form that asks for an email address and sends it to me after submitting.

How can I can I get the form to submit when hitting the enter key?

This runs when user clicks submit button:

<script type="text/javascript">
    $(document).ready(function () {
        $("#submit_btn").click(function () {
            // Get input field values:
            var user_email = $('input[name=email]').val();

            // Simple validation at client's end
            // We simply change border color to red if empty field using .css()
            var proceed = true;
            if (user_email === "") {
                $('input[name=email]').css('border-color', 'red');
                proceed = false;
            }

            // Everything looks good! Proceed...
            if (proceed) {
                /* Submit form via AJAX using jQuery. */
            }
        });

        // Reset previously set border colors and hide all message on .keyup()
        $("#contact_form input, #contact_form textarea").keyup(function () {
            $("#contact_form input, #contact_form textarea").css('border-color', '');
            $("#result").slideUp();
        });
    });
</script>

I know this question has been asked before -- I'm having trouble getting the keypress function to work.

I tried this to no avail:

$("#contact_form").keypress(function (e) {
    if ((e.keyCode == 13) && (e.target.type != "textarea")) {
        e.preventDefault();
        // Get input field values
        var user_email = $('input[name=email]').val();

        // Simple validation at client's end
        // We simply change border color to red if empty field using .css()
        var proceed = true;

        if (user_email === "") {
            $('input[name=email]').css('border-color', 'red');
            proceed = false;
        }

        // Everything looks good! Proceed...
        if (proceed) {
            /* Submit form via AJAX using jQuery. */
        }
    }
});

The form is #contact_form.

Any help would be would appreciated…


Solution

  • Just bind the submit event to your form, and then the enter key will also work:

    $("#contact_form").submit(function (e) {
        e.preventDefault();
        // Get input field values
        var user_email = $('input[name=email]').val();
    
        // Simple validation at client's end
        // We simply change border color to red if empty field using .css()
        var proceed = true;
    
        if (user_email === "") {
            $('input[name=email]').css('border-color', 'red');
            proceed = false;
        }
    
        if (proceed) {
            // Insert the AJAX here.
        }
    });
    

    And the code is here: http://jsfiddle.net/6TSWk/6/