Can I add javascript dynamically to an existing script element

Question

I want to dynamically add javascript to an existing script element something like:

var se = document.createElement(\'script\');
se.setAttribute(\'type\', \'t         


        

Answer 1

That's not adding JavaScript to an existing script element, it's creating a new script element and adding it to the document.

This does work in modern browsers, but you wouldn't normally do it unless you had some code in a variable that you really needed to execute in global context (so you couldn't use new Function(), or eval from inside a function).

What's the use case? Do you really have to do this?

If you did try to change the script's content by writing to the text content of a