How to replace text inside specific class or id.

Question

Hi, how can i replace a text inside specific class or id?
For example <div id="myid" class="myclass"> <span> Text i want to replace </span> </div>

Answer 1

Use document.querySelector() to reference the div and the span it contain.

document.querySelector("#myid.myclass span").innerText = "Replacement text";

Answer 2

Attr jquery

Answer 3

$('myid').attr('class', fontChange);