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JavaScript Can I change only a part of innerHTML with JavaScript

Johna

Johna

Frontend Developer
Staff Team
Guardian
I want to change only a part of innerHTML with JavaScript, for example this:

HTML: 
<html>
    <head>
        <title>Example</title>
    </head>
   
    <body>
        <p id="text">This is an example</p>
        <button onclick="myFunction()">Click to change 'an' to 'my'</button>
    </body>
   
    <script>
        function myFunction() {
            document.getElementById('text').innerHTML = /*Here I want to change only the 'an' to 'my', so it's 'This is my example'. Is there a way to do that?*/
        }
    </script>
</html>

Is is even possible to do something like this?

Thanks : )
 
Solution
Ash
Johna said:
Thanks, but what if I want to change the html of a website, like with a chrome extension, so the text doesn't have a span around it. Can I do that or is that not possible?
Click to expand...
Looks like it is possible without the span element actually.

JavaScript: 
function myFunction() {
  document.getElementById('text').innerHTML = document.getElementById('text').innerHTML.replace("an", "my");
}

This would essentially replace the text with the same text but after changing the "an" word to "my".

Credit to this post on Stack Overflow.
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Maybe someone has a simpler solution but I would simply add a span element for the "an" text. Then you can just change the contents of that element.

HTML: 
<p id="text">This is <span id="changeText">an</span> example</p>

JavaScript: 
function myFunction() {
    document.getElementById('changeText').innerHTML = "my";
}
 
Upvote 0 Downvote
Thanks, but what if I want to change the html of a website, like with a chrome extension, so the text doesn't have a span around it. Can I do that or is that not possible?
 
Upvote 0 Downvote
Johna said:
Thanks, but what if I want to change the html of a website, like with a chrome extension, so the text doesn't have a span around it. Can I do that or is that not possible?
Click to expand...
Looks like it is possible without the span element actually.

JavaScript: 
function myFunction() {
  document.getElementById('text').innerHTML = document.getElementById('text').innerHTML.replace("an", "my");
}

This would essentially replace the text with the same text but after changing the "an" word to "my".

Credit to this post on Stack Overflow.
 
Upvote 1 Downvote
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