jQuery Multiple Event Handling Problems

HTML

<input type="text" id="textField" />
<input type="button" onclick="setFocus();" value="click here" />

<ol>
    <li>Type some text into the textfield.</li>
    <li>Click the button.</li>
    <li>Click out of the textfield, or
        <br /> <i>press enter for some weird behavior.</i>
    </li>
</ol>

JavaScript

function setFocus() {
    $("#textField").focus();
    $("#textField").select();

    var count = 1;
    $("#textField").one("focusout keydown", function (e) {
        if (e.type == "focusout" || e.keyCode == 13) {
            alert(count++);
        }

        // this doesn't seem to be working correctly:
        $("#textField").off("focusout keydown");
    });
}