free ip geolocation api

First, Brief introductionThe geolocation API (geo-Location Application interface) provides a way to accurately know the current location of a browser user. And now it seems that the browser support is good (because the new version of IE supports the API), which makes it possible to use this browser built-in API in the

First, PhoneGap geolocation object Introduction1. Enable applications to access geo-location information. The Geolocation object provides access to the device's GPS sensor. Geolocation provides location information for the device, such as longitude and latitude.2. Common sources of location information include the Global Positioning System (GPS), as well as infer

HTML5 Geolocation location API usage tutorial, html5geolocation As handheld devices are so common today, location information is extremely important for applications. taxi hailing applications can call nearby vehicles based on users' location information, the Group Buying software can recommend nearby cinemas and foods based on the current location. The map application can quickly plan the route to the dest

Overview This report summarizes a pair of programming projects. I (Lin Meng) and Li yazhao jointly completed this project. The goal of the project is to obtain the geographical location information of the user through the user's IP address when the user accesses the academic map, so as to reposition the map and set the location of the user as the center currently displayed. This function is available on many network maps, such as Bing map and Googl

First, study the Window.navigater object Window.navigator is used to query some information about the application running the current script. For example,1 alert ("You ' re using" + navigator.appversion);The code returns the query to the version number of the current browser. In addition, the Navigator object also has navigator.appname (returning the official name of the browser), Navigator.cookieenabled (returns a Boolean indicating whether the browser has cookies enabled) such as various

The geolocation API is introduced in HTML5 to help users obtain the geographic location of the browser, which not only indicates the current latitude and longitude, it can also be used with the google map API to mark the current location on the map. The HTML code is mainly two blocks. The first part of the container is used to put google Maps and mark locations,

limit on the effective time to cache geo-location information), the value is a number, in milliseconds. Window.onload = function () { var x, y; if (navigator.geolocation) { document.getElementById ("IP"). InnerHTML = "Your current location"; Baidu Map API function var map = new Bmap.map ("container"); var point = new Bmap.point (x, y);

/#/api/detail/?productID=75 National oil price inquiry: https:// apistore.eolinker.com/#/api/detail/?productid=82 POI Search: https://apistore.eolinker.com/#/api/detail/?productID=97 Bus, Subway route planning query: https://apistore.eolinker.com/#/api/detail/?productID=105 model Daquan: https://apistore.eolinker.com/#

Go from blog: Baidu Map API IP location city and browser location http://blog.csdn.net/suixufeng/article/details/13511761Baidu Maps API provides geolocation and localcity two service classes.These APIs can be used by the user to locate and verify the city in JavaScript, respectively.1 in essence, the