How to set a value of the textarea without id by javascript?

Question

Typically we run javascript code to set any value:

document.getElementById(\'id_name\').value = \"...\";

But I have a page like this:

Answer 1

You could do this, if your HTML is really that simple:

var textarea = document.getElementById('id_name').getElementsByTagName('textarea')[0];
textarea.value = "hello world";

There's also a "getElementsByClassName()" in newer browsers that could be used to find the "class_name"

element, from which you'd do the "getElementsByTagName()" call.

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