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问题描述

限时删除!!

我有一个数组:

  var = CITIES {
布宜诺斯艾利斯:
{ 纬度:-34.6084,经度:-58.3732,
圣地亚哥:
{纬度:-33.4254,经度:-70.5665},
哈博罗内:
{纬度: -24.6541,经度:25.9087},
...
};

我需要在2D Google地图上放置标记;我试着用这个函数来做:

  / * 
* void
* mark()
*
*标出世界各地留学计划的地点地图
* /

功能标记()
{
//标记(CITIES城市中的VAR城市)

{
//地图上的工厂城市
new google.maps.Marker({
icon:http:// google-maps-icons.googlecode.com/files/smallcity.png,
map:map,
position:new google.maps.LatLng(CITIES [city] .latitude,CITIES [city]。经度),
标题:'CITIES [city]'
});




$ b $ p
$ b

js控制台给我一个错误说:

 缺少变量名称
[Break on this error] var = CITIES {\ n
code>

我知道这个错误与我使用城市参数访问CITIES有关,但是如何解决这个问题并获取必要的信息?

解决方案

var = CITIES {不对,请使用<$ c $首先说你想创建一个变量( var )。 c $ c>),然后指定它的名称( CITIES ),然后分配一个值(可选地, = ... )。


I have an array:

var = CITIES {
  "Buenos Aires":
  {latitude: -34.6084, longitude: -58.3732},
  "Santiago":
  {latitude: -33.4254, longitude: -70.5665},
  "Gaborone":
  {latitude: -24.6541, longitude: 25.9087},
...
};

I need to place markers on a 2D Google Map; I try to do it with this function:

/*
 * void
 * mark()
 *
 * Markes locations of study abroad programs all around the world map
 */

function mark()
{
    // mark programs
    for (var city in CITIES)
    {
        // plant cities on map
        new google.maps.Marker({
         icon: "http://google-maps-icons.googlecode.com/files/smallcity.png",
         map: map,
         position: new google.maps.LatLng(CITIES[city].latitude, CITIES[city].longitude),
         title: 'CITIES[city]'
        });
    }
}

The js console is giving me an error saying that:

missing variable name
[Break on this error] var = CITIES {\n

I know the error has to do with me accessing CITIES with city parameter, but how do I fix this and access the necessary information?

解决方案

var = CITIES { is wrong, use var CITIES = { instead.

First say that you want to create a variable (var), then specify its name (CITIES) and then assign a value (optionally, =...).

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09-08 04:38