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javascript - IE 对象预期映射 API v3 onload 外部 .js 函数

转载 作者:行者123 更新时间:2023-12-02 19:32:19 25 4
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我有一个小的 Google map v3 脚本,可以在所有适当的浏览器上正常工作,但是当它遇到 IE 时,无论我使用什么事件处理程序或编写属性的不同方式,我都会收到“预期对象”错误。帮助!

这里的脚本:

function include(filename)
{
var head = document.getElementsByTagName('head')[0];

script = document.createElement('script');
script.src = filename;
script.type = 'text/javascript';

head.appendChild(script)
}


include('geoxml3.js');
include('v3_epoly.js');

var geoXml = null;
var map = null;
var geocoder = null;
var toggleState = 1;
var infowindow = null;
var marker = null;
var Ploc = null;
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
//Voting Locations: Array element id = voting pct!
var Vloc = new Array();
Vloc[1] = 's';
Vloc[2] = 's';
Vloc[3] = 's';
Vloc[4] = 's';


function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
geocoder = new google.maps.Geocoder();
infowindow = new google.maps.InfoWindow({size: new google.maps.Size(150,50) });
var latlng = new google.maps.LatLng(32.5890, -96.308871);

var myOptions = {
zoom: 10,
center: latlng,
mapTypeControl: true,
mapTypeControlOptions: {style: google.maps.MapTypeControlStyle.DROPDOWN_MENU},
navigationControl: true,
mapTypeId: google.maps.MapTypeId.ROADMAP
}


map = new google.maps.Map(document.getElementById('map_canvas'),
myOptions);
directionsDisplay.setMap(map);
directionsDisplay.setPanel(document.getElementById('directionsPanel'));
geoXml = new geoXML3.parser({
map: map,
suppressInfoWindows: true,
polygonOptions: {clickable: false},
});
geoXml.parse('qvote.kml');
// exml = new EGeoXml({map: map, singleInfoWindow: true, createpolygon: createPoly});
}

function showAddress(address) {
var contentString = '';
Ploc = null;
geocoder.geocode( { 'address': address}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
var point = results[0].geometry.location;
map.setCenter(point);
if (marker && marker.setMap) marker.setMap(null);
marker = new google.maps.Marker({
map: map,
position: point
});
for (var i=0; i<geoXml.docs[0].gpolygons.length; i++) {
if (geoXml.docs[0].gpolygons[i].Contains(point)) {
contentString = address+'<br>'+geoXml.docs[0].placemarks[i].name;
// contentString += '<br>'+point+'<br>polygon#'+i;
Ploc = geoXml.docs[0].placemarks[i].name;
i = 999; // Jump out of loop
}
}

google.maps.event.addListener(marker, 'click', function() {
infowindow.setContent(contentString);
infowindow.open(map,marker);
if (Ploc) calcRoute(address);
});
google.maps.event.trigger(marker,'click');
} else {
alert('Geocode was not successful for the following reason: ' + status);
}
});
}
function calcRoute(addy) {
var start = addy;
var end = Vloc[parseInt(Ploc)];
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}

页面在这里:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<HTML xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script defer="defer" type="text/javascript" src="calvoteroute.js"></script>
<title>Voter Map</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0px; padding: 0px }
.bla {
font-family: Verdana, Geneva, sans-serif;
}
</style>
</head>
<body onLoad='initialize()'>

<div><img src="img/pollingbanner.png" width="663" height="126"/></div>
<div><form action="#" onsubmit="showAddress(this.address.value); return false;" style="height:100%; width:100%; padding:0px 0px 0px 0px; background:none;">
<p>
<label class="bla">Enter the voter's address to find location:</label>

<input type="text" size="40" name="address" value="3003 S. Washington, Kaufman TX 75142" class="address" />
<input type="submit" value="Go Vote!"/>
<br />
Scroll below to see the current Polling locations
</form></div>
<div style="width: 100%; display: table;">
<div style="display: table-row">
<div id="map_canvas" style="width:663px; height:600px; display: table-cell;"></div>
<div id="directionsPanel" style="width: 200px; height: 600px; display: table-cell;"></div>
</div>
</div>

</body>
</html>

最佳答案

指向您的 map 的链接可以让我们知道问题出在哪里(即使使用 IE 的调试器)。

猜测。 IE 会在数组末尾添加一个额外的空对象,并在末尾添加一个“悬挂逗号”(后面没有任何内容的逗号)的匿名对象。就像你在这里一样:

geoXml = new geoXML3.parser({
map: map,
suppressInfoWindows: true,
polygonOptions: {clickable: false}, <----------------- bad in IE...
});

这可能不是问题或唯一的问题,但它会导致 IE 出现问题。

关于javascript - IE 对象预期映射 API v3 onload 外部 .js 函数,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11354800/

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