Question

js中拼的html如何获取里面id属性的值

document.getElementById("share-good clearfix").innerHTML = "<div id=\"share-dialog\" title=\"分享给好友\" class=\"dialog\">"+
"<div class=\"share-post clearfix\">"+
"<div class=\"share-user\"><img src=\" ${pic}\" class=\"share-user-img\"><a href=\"javascript:{}\" class=\"share-user-name\" title=\"${userName}\"></a></div>"+
"<div class=\"share-post-box\">"+
"<div class=\"share-post-box-arrow\"></div>"+
"<textarea placeholder=\"亲，味道真的很棒噢~\" id=\"content\" class=\"share-post-text\"></textarea>"+
"</div>"+
"</div>"+
"<div class=\"share-goods\">"+
"<img src="+result.pic+" class=\"share-good-img\" />"+
"<div class=\"share-good-content\"><a href=\"javascript:{}\" >"+result.brief+"</a> "+
"<div class=\"share-good-row\">价格："+result.cash+"</div>"+
"<div class=\"share-good-row\">运费："+result.carriage+"</div>"+
"</div>"+
"</div>"+
"<div class=\"share-post-bottom clearfix\">"+
"<div class=\"share-post-btns clearfix\"><a href=\"javascript:{}\" onclick=\"saveShareProd("+result.prodId+")\" class=\"share-post-submit\">立即分享</a><a href=\"javascript:{}\" onclick=\"decideOrder(\'#share-dialog\').dialog(\'close\');\" class=\"share-post-cancel\">取消</a></div>"+
"</div>"+
"</div>";

想获取id=\"content\" 的用户输入的值，怎么获取到啊???var content = $("#content").val();这样取不到啊！！！

Answer 1

var obj=document.getElementById("div1").getElementsByTagName("textarea")
for(var i=0;i<obj.length;i++)
{
if(obj[i].id=="aa")
{
alert(obj[i].innerText)
}
}

Answer 2

要获取的id必须在获取前已经插入到页面里。

Answer 3

textarea 没有value 属性

直接xxx.html()

代码如下
<textarea id="a">11111</textarea>

<script>
window.onload = function() {
var a = document.getElementById("a");
alert(a.innerHTML)
}
</script>