Let IE8 support the function.bind of method
- 2020-03-30 04:09:37
- OfStack
Mainly solve the "baidu map" official website example bug, extract the following code:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html {width: 100%;height: 100%;margin:0;font-family:" Microsoft jas black ";}
#allmap{width:100%;height:500px;}
p{margin-left:5px; font-size:14px;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=39b92e64ae5622663ceceaccd8ab8eb1"></script>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<title> Add information window to multiple points </title>
<script type="text/javascript">
if (!Function.prototype.bind) {
Function.prototype.bind = function (oThis) {
if (typeof this !== "function") {
throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
}
var aArgs = Array.prototype.slice.call(arguments, 1),
fToBind = this,
fNOP = function () {},
fBound = function () {
return fToBind.apply(this instanceof fNOP && oThis
? this
: oThis,
aArgs.concat(Array.prototype.slice.call(arguments)));
};
fNOP.prototype = this.prototype;
fBound.prototype = new fNOP();
return fBound;
};
}
</script>
</head>
<body>
<div id="allmap"></div>
<p> Click the annotation point to view the simple information window composed of plain text </p>
</body>
</html>
<script type="text/javascript">
//Baidu map API function
map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(116.417854,39.921988), 15);
var data_info = [[116.417854,39.921988," Address: wangfujing street, dongcheng district, Beijing 88 On the eighth floor of a Yintai store "],
[116.406605,39.921585," Address: donghuamen street, dongcheng district, Beijing "],
[116.412222,39.912345," Address: zhengyi road, dongcheng district, Beijing 5 No. "]
];
var opts = {
width : 250, //Information window width
height: 80, //Height of information window
title : " Information window " , //Information window title
enableMessage:true//The Settings allow the message window to send short messages
};
for(var i=0;i<data_info.length;i++){
var marker = new BMap.Marker(new BMap.Point(data_info[i][0],data_info[i][1])); //Create a label
var content = data_info[i][2];
map.addOverlay(marker); //Adds annotations to the map
marker.addEventListener("click",openInfo.bind(null,content));
}
function openInfo(content,e){
var p = e.target;
var point = new BMap.Point(p.getPosition().lng, p.getPosition().lat);
var infoWindow = new BMap.InfoWindow(content,opts); //Create an information window object
map.openInfoWindow(infoWindow,point); //Open information window
}
</script>