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Editorial Team
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Asked: 2026-05-25T19:26:57+00:00

I have often used, and seen recommended, dom-access structures like this for adding content

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I have often used, and seen recommended, dom-access structures like this for adding content to pages dynamically:

loader = document.createElement('script');
loader.src = "myurl.js";
document.getElementsByTagName('head')[0].appendChild(loader);

Now, by chance, I find that this works in Google chrome:

document.head.appendChild(loader);

A little more investigation, and I find that this works, apparently cross-browser:

document.body.appendChild(loader);

So my primary question is: are there any reasons why I shouldn’t attach elements to the BODY like this?

Also, do you think document.head will become more widely supported?

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1 Answer

  1. Editorial Team

    I can’t see any reason why it would matter in practice whether you insert your <script> elements into the <head> or the <body> element. In theory, I guess it’s nice to have the runtime DOM resemble the would-be static one.

    As for document.head, it’s part of HTML5 and apparently already implemented in the latest builds of all major browsers (see http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-document-head).

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