如何获取内部html值

Question

var str_f = document.getElementById("" + j + "").innerHTML;

<p>
  <span style="color: red">advertising cctv/bust</span>
  <span style="color: red">a</span>tion
</p>

how can i get the value

Answer 1

If you want to get the innerHTML of the <p> tag then give it an id and then use the following code

<p id="para1"><span style="color: red"> advertising cctv/bust</span><span style="color: red">a</span>tion </p>


document.getElementById("para1").innerHTML;

If you want to get text content inside the element then you can use

var elem = document.getElementById("para1");
var elementText = x.innerText || x.textContent

Answer 2

这不起作用，你做一个getElementById，但你没有任何带有Id的元素......

Answer 3

Firstly, to get the innerHTML value of any tag, you either need that tag to have its 'id' property or 'name' property set.

Then you can respectively use the 'document.getElementById(yourTagIdValue).innerHTML' or 'document.getElementByName(yourTagNameValue).innerHTML' to fetch the value of the required tag.

For eg.

Sampath

So, you can get the innerHTML of this tag as follows:

document.getElementById("lblName").innerHTML.

Also, do kindly note that there is a difference for HTML tags for which you can use the 'innerHTML' property and 'value' property.

Regards, Mahendra Liya.

Answer 4

You haven't mention the ID anywhere in the Tags so you cannot use getElementsById.

You can get the innerHTML of the < p > by using getElementsByTagName .

Here is how we use it. Syndtax: var elements = document.getElementsByTagName(name);

In your case:

var pElement = document.getElementsByTagName('p')[0];

var pElementHtml = pElement.innerHTML;

if you need just the text, you can do

var pElementText = pElement.innerText || pElement.textContent;

Hope its useful for someone.

-Sijan