reset zoom 重置

$(function() {function resetChartZoom() {    chart.zoomOut();}var chart = new Highcharts.StockChart({        chart: {        renderTo: 'container',        borderWidth: 1,        plotBorderWidth: 1,        resetZoomButton: {theme: {    display: 'none'}        },        zoomType: 'xy'    },        rangeSelector: {        selected: 1    },        series: [{        name: 'USD to EUR',        data: usdeur    }]});$('#resetZoom').click(function() {    resetChartZoom();});});