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in Technique[技术] by (71.8m points)

javascript - "Object doesn't support property or method 'find'" in IE

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>

        <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>

    <script>

        $(document).ready(function () {


            var data = [{
                "Id": "SWE",
                "Country": "Sweden",
                "Population": 9592552
            }, {
                "Id": "NOR",
                "Country": "Norway",
                "Population": 5084190
            }];


            function display(e) {
                alert("E" + e);
                var countryData = data.find(function (element, index, array) {
                    return element.Id === e;
                });
                alert(countryData.Population);
            }
            display('SWE');


        });


    </script>
</head>
</html>

The code posted above is working properly on Firefox and Chrome but I get an error in Internet Explorer. Error message:

Object doesn't support property or method 'find'

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1 Reply

0 votes
by (71.8m points)

Here is a work around. You can use filter instead of find; but filter returns an array of matching objects. find only returns the first match inside an array. So, why not use filter as following;

data.filter(function (x) {
         return x.Id === e
    })[0];

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