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JQuery: doing some things before submitting a form

I have a page with one form. The form contains a text box and a submit button.

When the form is submitted, either by clicking the button or by pressing the enter key in the text box, I want to search (in this case, geocoding the zip code using Bing Maps), and then send the form to the server, as usual.

My current approach is to add a handler for the submit event to the "one and only" form, and then call submit () when I am done, but I cannot get this to work, and I was not able to debug the problem:

$(document).ready(function () {
    $("form").submit(function (event) {
        var postcode = $.trim($("#Postcode").val());
        if (postcode.length === 0) {
            return false;
        }

        var baseUrl = "http://dev.virtualearth.net/REST/v1/Locations/UK/";
        var apiKey = "myKey";
        var url = baseUrl + postcode + "?key=" + apiKey + "&jsonp=?";
        $.getJSON(url, function (result) {
            if (result.resourceSets[0].estimatedTotal > 0) {
                var location = result.resourceSets[0].resources[0].point.coordinates;
                $("#latitude").val(location[0]);
                $("#longitude").val(location[1]);
                $("form").submit();
            }
        });
    });
});
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1 answer

event.preventDefault() - . , . , ajax. , ajax, . , , , , .

 $(document).ready(function () {
        $("form").submit(function (event) {

// prevent default form submit
    event.preventDefault();
            var postcode = $.trim($("#Postcode").val());
            if (postcode.length === 0) {
                return false;
            }


            var baseUrl = "http://dev.virtualearth.net/REST/v1/Locations/UK/";
            var apiKey = "myKey";
            var url = baseUrl + postcode + "?key=" + apiKey + "&jsonp=?";
            $.getJSON(url, function (result) {
                if (result.resourceSets[0].estimatedTotal > 0) {
                    var location = result.resourceSets[0].resources[0].point.coordinates;
                    $("#latitude").val(location[0]);
                    $("#longitude").val(location[1]);
                    $("form").submit();
                }
            });
        });
    });

, preventDefault , $('form').submit();. ajax preventDefault.

- :

$(document).ready(function () {

    var submitForReal = false;
        $("form").submit(function (event) {

            var postcode = $.trim($("#Postcode").val());
            if (postcode.length === 0) {
                return false;
            }
    // prevent default form submit
    if(!submitForReal){
    event.preventDefault();
    }else{



            var baseUrl = "http://dev.virtualearth.net/REST/v1/Locations/UK/";
            var apiKey = "myKey";
            var url = baseUrl + postcode + "?key=" + apiKey + "&jsonp=?";
            $.getJSON(url, function (result) {
                if (result.resourceSets[0].estimatedTotal > 0) {
                    var location = result.resourceSets[0].resources[0].point.coordinates;
                    $("#latitude").val(location[0]);
                    $("#longitude").val(location[1]);
                    submitForReal = true;
                    $("form").submit();
                }
            });
          }
        });
    });
+5

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