我正在尝试在另一个div内获取Div的内容。基本上，我使用php创建了动态颜色“ picker”，并且我想添加内部div的内容。单击相关颜色后，将颜色名称更改为javascript变量。
签出这支笔
http://codepen.io/anon/pen/oXopmq
function coloursel() {
var colour = document.getElementById("patchholder").firstChild.innerHTML;
alert(colour);
}/* shirt color name display style*/
#patchhome {
position:relative;
bottom:240px;
display:inline-block;
font-size: 13px;
margin:3px;
}
#patchhome p{
font-size: 10px;
margin-bottom:5px;
display:inline-block;
}
#patchhome h2{
margin-left:-3px;
}
.colourname{
white-space:nowrap;
display:none;
position:absolute;
top :145px;
float:right;
right:-3px;
}
.patchholder{
float:left;
font-size: 0;
position:relative;
display:inline-block;
margin:2px;
height:16px;
width:16px;
}
.patchholder:hover + div{
display:inline-block;
margin:1px;
float:left;
}<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Antique Cherry" style="background:#971B2F;display:inline-block;"/><div id="colourname"class="colourname">Antique Cherry</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Cherry Red" style="background:#AC2B37;display:inline-block;"/><div id="colourname"class="colourname">Cherry Red</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Daisy" style="background:#FED141;display:inline-block;"/><div id="colourname"class="colourname">Daisy</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Forrest Green" style="background:#273B33;display:inline-block;"/><div id="colourname"class="colourname">Forrest Green</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Orange" style="background:#FF8D6D;display:inline-block;"/><div id="colourname"class="colourname">Heather Orange</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Black" style="background:#000000;display:inline-block;"/><div id="colourname"class="colourname">Black</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="White" style="background:#FFFFFF;display:inline-block;"/><div id="colourname"class="colourname">White</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Navy" style="background:#002A5C;display:inline-block;"/><div id="colourname"class="colourname">Navy</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heliconia" style="background:#DB3E79;display:inline-block;"/><div id="colourname"class="colourname">Heliconia</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Kiwi" style="background:#A3A76D;display:inline-block;"/><div id="colourname"class="colourname">Kiwi</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Orange" style="background:#DF6426;display:inline-block;"/><div id="colourname"class="colourname">Orange</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Royal" style="background:#224D8F;display:inline-block;"/><div id="colourname"class="colourname">Royal</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Sport Grey" style="background:#AFAFAF;display:inline-block;"/><div id="colourname"class="colourname">Sport Grey</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Irish Green" style="background:#00966C;display:inline-block;"/><div id="colourname"class="colourname">Heather Irish Green</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Cardinal" style="background:#8D2838;display:inline-block;"/><div id="colourname"class="colourname">Cardinal</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Chestnut" style="background:#83635C;display:inline-block;"/><div id="colourname"class="colourname">Chestnut</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="DK Chocolate" style="background:#423238;display:inline-block;"/><div id="colourname"class="colourname">DK Chocolate</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Military Green" style="background:#7E7F74;display:inline-block;"/><div id="colourname"class="colourname">Heather Military Green</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Purple" style="background:#614B79;display:inline-block;"/><div id="colourname"class="colourname">Heather Purple</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Indigo Blue" style="background:#486D87;display:inline-block;"/><div id="colourname"class="colourname">Indigo Blue</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Light Blue" style="background:#A3B3CB;display:inline-block;"/><div id="colourname"class="colourname">Light Blue</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Purple" style="background:#3F2A56;display:inline-block;"/><div id="colourname"class="colourname">Purple</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Sand" style="background:#CABFAD;display:inline-block;"/><div id="colourname"class="colourname">Sand</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Antique Heliconia" style="background:#AA0061;display:inline-block;"/><div id="colourname"class="colourname">Antique Heliconia</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Charcoal" style="background:#66676C;display:inline-block;"/><div id="colourname"class="colourname">Charcoal</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Cobalt" style="background:#374393;display:inline-block;"/><div id="colourname"class="colourname">Cobalt</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="DK Heather" style="background:#3F4444;display:inline-block;"/><div id="colourname"class="colourname">DK Heather</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Navy" style="background:#333F48;display:inline-block;"/><div id="colourname"class="colourname">Heather Navy</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Heather Royal" style="background:#307FE2;display:inline-block;"/><div id="colourname"class="colourname">Heather Royal</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Irish Green" style="background:#009E69;display:inline-block;"/><div id="colourname"class="colourname">Irish Green</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Military Green" style="background:#63655A;display:inline-block;"/><div id="colourname"class="colourname">Military Green</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Red" style="background:#B1302A;display:inline-block;"/><div id="colourname"class="colourname">Red</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Sapphire" style="background:#0077B5;display:inline-block;"/><div id="colourname"class="colourname">Sapphire</div></span>
<span class="patchholder"id="patchholder" onclick="coloursel(this)" title="Antique Sapphire" style="background:#006A8E;display:inline-block;"/><div id="colourname"class="colourname">Antique Sapphire</div></span>对不起，如果这写得不好，不好的做法，在错误的地方或之前被问过。我还在学习。
无论如何，感谢您的光临。
当您为多个元素提供相同的ID（在本例中为placeholder）时，DOM将仅识别最后一个元素。在这种情况下，您应该将coloursel功能修改为以下内容
function coloursel(elem) {
var colour = elem.firstChild.innerHTML;
alert(colour);
}
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我来说两句