[英]“You have included the Google Maps API multiple times” - how avoid the second call?
我在页面中添加了Google地图的脚本:
function initialize() {
var mapOptions = {
zoom: 16,
center: new google.maps.LatLng(45.711802, -121.522657)
};
var map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
var infowindow = new google.maps.InfoWindow();
var marker = new google.maps.Marker({
map: map,
// Define the place with a location, and a query string.
place: {
location: {lat: 45.711802, lng: -121.522657},
query: 'Big Gym, Oregon'
},
// Attributions help users find your site again.
attribution: {
source: 'Google Maps JavaScript API',
webUrl: 'https://developers.google.com/maps/'
}
});
// Construct a new InfoWindow.
var infowindow = new google.maps.InfoWindow({
content: 'Big Gym'
});
// Opens the InfoWindow when marker is clicked.
marker.addListener('click', function() {
infowindow.open(map, marker);
});
}
function loadScript() {
if(google) return; // if script is loaded earlier then google will not be undefined.
var script = document.createElement('script');
script.setAttribute('id', 'scriptmappa');
script.type = 'text/javascript';
script.src = 'https://maps.googleapis.com/maps/api/js?v=3.exp' + '&signed_in=true&callback=initialize';
document.body.appendChild(script);
}
在我的js中,我称这些页面为:
$(document).ready(ready);
function ready(){
loadHome();
$(".navbar-brand#home1").on("click",loadHome);
$(".home").on("click",loadHome);
$("#loc").on("click", loadLocation);
$("#ins").on("click", loadInstructors);
$("#cat").on("click",loadCategories);
$("#level").on("click",loadbyLevel);
$("#alpha").on("click",loadAlphabetical);
}
function loadLocation(){
$( ".scorrimentoslide" ).fadeOut( "slow" );
$( ".banner" ).fadeOut( "slow" );
window.onload = loadScript(); //Carica la mappa
$(".contenitoredestra").html(
"<div class=\"headerline\">Location & Overall Scheduling</div> "+
"<div id=\"map-canvas\"></div>"+
"<div class=\"contenitore-dinamico\">"+
"<div class=\"riquadroIndirizzo\"><b>Big Gym</b><br>1020 Waso St Hood River,<br>MI 97031</div>"+
"<table id=\"table\">"+
" <tr>"+
" <th colspan=\"2\">Overall Schedule</th>"+
" </tr>"+
" <tr>"+
" <td>Mon - Fri</td>"+
" <td>6:00 am - 11:00 pm</td>"+
" </tr>"+
" <tr class=\"alt\">"+
" <td>Sat & Sun</td>"+
" <td>7:00 am - 7:00 pm</td>"+
" </tr>"+
"</table></div><br><br><br><br>"+
"<div class=\"barrainbasso\"><div class=\"link\"><a href=\"#location\">Where</a></div><div class=\"link\"><a href=\"#contact\" id=\"contact\">Contact</a></div></div>");
$(document).on("click", "#contact", loadContact);
$(".barrainbasso").hide();
$(".barrainbasso").fadeIn(1000);
}
function loadContact(){
if(scriptmappa != undefined) {
$("#scriptmappa").remove();
console.log("ok");
}
$(document).on("click", "#back", loadLocation);
$(".contenitoredestra").html(
"<div class=\"headerline\"><a href=\"#back\" id=\"back\">Location & Overall Scheduling </a><<<br> Contact us</div> "+
"<div class=\"contenitore-dinamico\">"+
"<div class=\"riquadroIndirizzo\"><b>Big Gym</b><br>1020 Waso St Hood River,<br>MI 97031</div>"+
"<table id=\"table\">"+
" <tr>"+
" <th colspan=\"2\">Overall Schedule</th>"+
" </tr>"+
" <tr>"+
" <td>Mon - Fri</td>"+
" <td>6:00 am - 11:00 pm</td>"+
" </tr>"+
" <tr class=\"alt\">"+
" <td>Sat & Sun</td>"+
" <td>7:00 am - 7:00 pm</td>"+
" </tr>"+
"</table></div><br><br><br><br>"+
"<div class=\"barrainbasso\"><div class=\"link\"><a href=\"#location\">Where</a></div><div class=\"link\"><b>Contact</b></div></div>");
$(".barrainbasso").fadeIn(1000);
}
我添加了$(“#scriptmappa”)。remove(); (无效),因为我在控制台中遇到问题,例如:您在此页面上多次包含Google Maps API。 这可能会导致意外错误。
我想在每次单击函数loadContact时删除地图脚本,但它不起作用。 尤其是:
我去到地图页面,然后去联系,回到地图后(它可以正常工作,但控制台中的消息出现了),然后我联系了,然后我又回到了,不再工作了(再次出现在安慰)。
该站点是: http : //hyp.altervista.org/index.html 。 这是学校的工作。
您可以尝试以下方法:
function loadScript() {
try {
if (google) {
return;
}
} catch (e) {
console.log("in catch")
var script = document.createElement('script');
script.setAttribute('id', 'scriptmappa');
script.type = 'text/javascript';
script.src = 'https://maps.googleapis.com/maps/api/js?v=3.exp' + '&signed_in=true&callback=initialize';
document.body.appendChild(script);
}
}
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