我试图为每个标记绑定一个 onClick 来调用一个函数,该函数将与该标记关联的数据填充到页面上的元素中,但迭代器(i)似乎正在覆盖自身(每个标记的行为就好像它是最后一个标记一样)迭代),但仅当在与标记关联的 onClick 函数中使用时。我在其他地方都按预期工作。忽略 console.log 行,我只是想跟踪变量中断的位置。任何帮助,将不胜感激。
var markers = L.markerClusterGroup({maxClusterRadius: 100, disableClusteringAtZoom: 9});
function addMarkers(data, dataset, h) {
// Create a new marker cluster group
var popup = '';
// Loop through data
for (var i = 0; i < Object.keys(data).length; i++) {
// Set the data location property to a variable
var lat = data[i].latitude;
var lon = data[i].longitude;
var location = [lat, lon];
var value = i-1;
// Check for location property
if (location) {
if (dataset.icon == bigfootIcon) {
popup = `${data[i].date}<br/>
${data[i].county}, ${data[i].state}<br/><br/>
${data[i].title}`;
} else if (dataset.icon == ufoIcon) {
popup = `${data[i].date}<br/>
${data[i].city}, ${data[i].state}<br/><br/>
${data[i].title}`;
} else if (dataset.icon == dogmanIcon) {
popup = `${data[i].date}<br/>
${data[i].location}, ${data[i].state_abbrev}`;
} else if (dataset.icon == hauntedIcon) {
popup = `${data[i].location}<br/>
${data[i].city}, ${data[i].state_abbrev}`
};
};
// Add a new marker to the cluster group and bind a pop-up
var marker = L.marker(location, {icon: dataset.icon}).bindPopup(popup).on('click', function() {
// onToggle(dataset);
// var value = i-1;
console.log(data[value]);
onChange(data[value], dataset, h)
});
// console.log(marker);
marker.addTo(markers);
};
// Add our marker cluster layer to the map
map.addLayer(markers);
};
// Called elsewhere to prep for calling the onChange function from a dropdown
function dropdownChange(response, dataset, h) {
var dropdown = dataset.dropdown;
var value = dropdown.property('value');
console.log(value);
dropdown.on('change', function() {
onChange(response[value], dataset, h);
});
};
function onChange(response, dataset, h) {
var dropdown = dataset.dropdown
value = dropdown.property('value');
console.log(value);
console.log(response)
document.getElementById('summaryText').style.display = 'block';
document.getElementById('summaryText').style.maxHeight = `calc(100% - ${h}px)`;
stats.html('');
if (dropdown == datasets[0].dropdown) {
stats.html(`<p>Location: ${response.county}, ${response.state}<br/>
Date: ${response.date}<br/>
Classification: ${response.classification}<br/>
<br/>
Incident:</p>`);
} else if (dropdown == datasets[1].dropdown) {
stats.html(`<p>Location: ${response.city}, ${response.state}<br/>
Date: ${response.date}<br/>
Duration: ${response.duration}<br/>
Shape: ${response.shape}<br/>
<a href='${response.report_link}' target="_blank">Report Link</a><br/>
<br/>
Incident:</p>`);
} else if (dropdown == datasets[2].dropdown) {
stats.html(`<p>Location: ${response.location}, ${response.state_abbrev}<br/>
Date: ${response.date}<br/>
<br/>
Incident:</p>`);
} else if (dropdown == datasets[3].dropdown) {
stats.html(`<p>Location: ${response.city}, ${response.state_abbrev}<br/>
<br/>
Incident:</p>`);
};
summaryText.text('');
summaryText.text(response.summary);
map.flyTo([response.latitude, response.longitude], 15);
};