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Error

Hi, when i slowy hover on chart the exception below is thrown.sil.jpg


the function error occures in ej2 is :


        return function (value) {

            if (isNaN(value.getDate())) {

                return null;

            }

            return _this.intDateFormatter(value, formatOptions);

        };



 the example value when exception thrown is "12".



ej2.js?V:1.5.9:6938 Uncaught TypeError: value.getDate is not a function

    at Axis.format (ej2.js?V:1.5.9:6938:29)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.formatPointValue (ej2.js?V:1.5.9:67961:22)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.parseTemplate (ej2.js?V:1.5.9:67934:54)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.getTooltipText (ej2.js?V:1.5.9:67734:21)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.renderSeriesTooltip (ej2.js?V:1.5.9:67620:63)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.tooltip (ej2.js?V:1.5.9:67583:18)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/user-interaction/tooltip.js.Tooltip.mouseMoveHandler (ej2.js?V:1.5.9:67535:22)

    at ./ej2-resources/20.4.51/scripts/ej2-base/observer.js.Observer.notify (ej2.js?V:1.5.9:10931:29)

    at ./ej2-resources/20.4.51/scripts/ej2-base/component.js.Component.notify (ej2.js?V:1.5.9:4001:32)

    at ./ej2-resources/20.4.51/scripts/ej2-charts/chart/chart.js.Chart.chartOnMouseMove (ej2.js?V:1.5.9:50493:14)