单击此图像的地图区域时获取 img 标签 ID [英] Get img tag id when click on map area of this image

问题描述

我有一些像这样的地图区域的图像

并且我需要在区域区域内单击时获取图像 ID
我可以不用js实现自定义区域功能吗?

UPD

解决方案

我希望这是你正在寻找的

JS Fiddle 示例:http://jsfiddle.net/g5Dy3/44/

HTML

<img id="dotted" src="image1.jpg" usemap="#ballmap" alt="sample"/><img id="solid" src="image2" usemap="#ballmap2" alt="sample"/><地图名称=球地图"><area shape="circle" coords="210,120,90" href="#" alt="dotted ball" title="dotted ball" onclick="clickedMe(this);"></地图><地图名称="ballmap2"><area shape="circle" coords="126,90,70" href="#" alt="solid ball" title="solid ball" onclick="clickedMe(this);"></地图>

JS

function clickedMe(item) {var mapName;mapName = $(item).parent().attr('name');$('img').each(function(){if($(this).attr('usemap') == '#'+mapName){警报($(this).attr('id'));}});}

I have some images-figures with map-area like this

and i need get image id when click inside area zone
can i made it without custom area functional realisation with js?

UPD sandbox

UPD2 found second, other problem. first area zone (red), which covered by second image not clickable and z-index for area not working.

FINAL UPD
I wrote small custom function for mapping some objects.
Maybe it will help someone:
jsFiddle

解决方案

I hope this is what you are looking for

JS Fiddle Example : http://jsfiddle.net/g5Dy3/44/

HTML

<img id="dotted" src="image1.jpg" usemap="#ballmap" alt="sample" />
<img id="solid" src="image2" usemap="#ballmap2" alt="sample" />

<map name="ballmap">
    <area shape="circle" coords="210,120,90" href="#" alt="dotted ball" title="dotted ball" onclick="clickedMe(this);">
</map>
<map name="ballmap2">
    <area shape="circle" coords="126,90,70" href="#" alt="solid ball" title="solid ball" onclick="clickedMe(this);">
</map> 

JS

function clickedMe(item) {
    var mapName;
    mapName = $(item).parent().attr('name');
    $('img').each(function(){
        if($(this).attr('usemap') == '#'+mapName){
            alert($(this).attr('id'));            
        }       
    });
}

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