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How to Get users' geographic location information and display it on Google maps using js + html5

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Author: User
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How to Get users' geographic location information and display it on Google maps using js + html5

This article describes how to obtain the geographical location information of a user using js + html5 and display it on a Google Map. Share it with you for your reference. The specific implementation method is as follows:

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<! DOCTYPE html>

<Html>

<Body>

<P id = "demo"> Click the button to get your position: </p>

<Button onclick = "getLocation ()"> Try It </button>

<Div id = "mapholder"> </div>

<Script>

Var x = document. getElementById ("demo ");

Function getLocation ()

{

If (navigator. geolocation)

{

Navigator. geolocation. getCurrentPosition (showPosition, showError );

}

Else {x. innerHTML = "Geolocation is not supported by this browser .";}

}

Function showPosition (position)

{

Var latlon = position. coords. latitude + "," + position. coords. longpolling;

Var img_url = "http://maps.googleapis.com/maps/api/staticmap? Center ="

+ Latlon + "& zoom = 14 & size = 400x300 & sensor = false ";

Document. getElementById ("mapholder"). innerHTML = " ";

}

Function showError (error)

{

Switch (error. code)

{

Case error. PERMISSION_DENIED:

X. innerHTML = "User denied the request for Geolocation ."

Break;

Case error. POSITION_UNAVAILABLE:

X. innerHTML = "Location information is unavailable ."

Break;

Case error. TIMEOUT:

X. innerHTML = "The request to get user location timed out ."

Break;

Case error. UNKNOWN_ERROR:

X. innerHTML = "An unknown error occurred ."

Break;

}

}

</Script>

</Body>

</Html>

I hope this article will help you with web programming.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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