我正在通过一个项目在地图上显示来自第三方API的信息。
我没有经验确定控制台告诉我什么,所以我有点卡在我得到的错误上。我已经声明了函数之外的所有变量,因此定义了结果,所有这些函数都是foursquare场地的一部分。
未捕获的TypeError:无法读取属性&has; hasOwnProperty'未定义的
$.ajax({
url:'https://api.foursquare.com/v2/venues/search',
dataType: 'json',
data: 'limit=1' +
'&ll='+ placeItem.lat() +','+ placeItem.lng() +
'&client_id='+ CLIENT_ID +
'&client_secret='+ CLIENT_SECRET +
'&v=20140806' +
'&m=foursquare',
async: true,
success: function (data) {
result = data.response.venue;
contact = result.hasOwnProperty('contact') ? result.contact : '';
if (contact.hasOwnProperty('formattedPhone')) {
placeItem.phone(contact.formattedPhone || '');
}
location = result.hasOwnProperty('location') ? result.location : '';
if (location.hasOwnProperty('address')) {
placeItem.address(location.address || '');
}
bestPhoto = result.hasOwnProperty('bestPhoto') ? result.bestPhoto : '';
if (bestPhoto.hasOwnProperty('prefix')) {
placeItem.photoPrefix(bestPhoto.prefix || '');
}
if (bestPhoto.hasOwnProperty('suffix')) {
placeItem.photoSuffix(bestPhoto.suffix || '');
}
description = result.hasOwnProperty('description') ? result.description : '';
placeItem.description(description || '');
rating = result.hasOwnProperty('rating') ? result.rating : '';
placeItem.rating(rating || 'none');
url = result.hasOwnProperty('url') ? result.url : '';
placeItem.url(url || '');
placeItem.canonicalUrl(result.canonicalUrl);
// Infowindow code is in the success function so that the error message
// Content of the infowindow
contentString = '<div id="iWindow"><h4>' + placeItem.name() + '</h4><div id="pic"><img src="' +
placeItem.photoPrefix() + '110x110' + placeItem.photoSuffix() +
'" alt="Image Location"></div><p>Information from Foursquare:</p><p>' +
placeItem.phone() + '</p><p>' + placeItem.address() + '</p><p>' +
placeItem.description() + '</p><p>Rating: ' + placeItem.rating() +
'</p><p><a href=' + placeItem.url() + '>' + placeItem.url() +
'</a></p><p><a target="_blank" href=' + placeItem.canonicalUrl() +
'>Foursquare Page</a></p><p><a target="_blank" href=https://www.google.com/maps/dir/Current+Location/' +
placeItem.lat() + ',' + placeItem.lng() + '>Directions</a></p></div>';
// Add infowindows
google.maps.event.addListener(placeItem.marker, 'click', function () {
infowindow.open(map, this);
// Bounce animation
placeItem.marker.setAnimation(google.maps.Animation.BOUNCE);
setTimeout(function () {
placeItem.marker.setAnimation(null);
}, 800);
infowindow.setContent(contentString);
});
},
// Alert the user on error.
error: function (e) {
infowindow.setContent('<h5>Foursquare data is unavailable.</h5>');
document.getElementById("error").innerHTML = "<h4>Foursquare data is unavailable. Please try refreshing.</h4>";
}
});
答案 0 :(得分:1)
不确定您正在进行的调用应该返回哪些数据但是您收到的错误表明您没有获得您期望的数据。
result = data.response.venue;
“venue”不是data.response的已定义属性,因此当您尝试访问result.hasOwnProperty('contact')时,它不知道返回什么,因为结果未定义。