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January 24, 2014 10:56
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html - get location
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset=utf-8> | |
| <meta name="viewport" content="width=620"> | |
| <title>HTML5 Demo: geolocation</title> | |
| </head> | |
| <body> | |
| <section id="wrapper"> | |
| <header> | |
| <h1>geolocation</h1> | |
| </header> | |
| <meta name="viewport" content="width=620" /> | |
| <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> | |
| <article> | |
| <p>Finding your location: <span id="status">checking...</span></p> | |
| </article> | |
| <script> | |
| function success(position) { | |
| var s = document.querySelector('#status'); | |
| if (s.className == 'success') { | |
| // not sure why we're hitting this twice in FF, I think it's to do with a cached result coming back | |
| return; | |
| } | |
| s.innerHTML = "found you!"; | |
| s.className = 'success'; | |
| var mapcanvas = document.createElement('div'); | |
| mapcanvas.id = 'mapcanvas'; | |
| mapcanvas.style.height = '400px'; | |
| mapcanvas.style.width = '560px'; | |
| document.querySelector('article').appendChild(mapcanvas); | |
| var latlng = new google.maps.LatLng(position.coords.latitude, position.coords.longitude); | |
| var myOptions = { | |
| zoom: 15, | |
| center: latlng, | |
| mapTypeControl: false, | |
| navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL}, | |
| mapTypeId: google.maps.MapTypeId.SATELLITE | |
| }; | |
| var map = new google.maps.Map(document.getElementById("mapcanvas"), myOptions); | |
| var marker = new google.maps.Marker({ | |
| position: latlng, | |
| map: map, | |
| title:"You are here! (at least within a "+position.coords.accuracy+" meter radius)" | |
| }); | |
| } | |
| function error(msg) { | |
| var s = document.querySelector('#status'); | |
| s.innerHTML = typeof msg == 'string' ? msg : "failed"; | |
| s.className = 'fail'; | |
| // console.log(arguments); | |
| } | |
| if (navigator.geolocation) { | |
| navigator.geolocation.getCurrentPosition(success, error); | |
| } else { | |
| error('not supported'); | |
| } | |
| </script> | |
| </section> | |
| </body> | |
| </html> |
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