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Editorial Team
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Asked: 2026-05-15T18:05:43+00:00

When I use methods that append data to existing elements using prototype/jquery, is it

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When I use methods that “append” data to existing elements using prototype/jquery, is it a good practice to wrap such logic inside document.observe("dom:loaded", foo)/$(document).ready(foo) functions?

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1 Answer

  1. Editorial Team

    Well, considering referencing elements before DOM/window ready will not work unless it’s the html element or you are injecting it after the element in the markup directly, yes it’s the only way to really get it done.

    <!doctype html>
<html>
    <head>
        <script>alert( document.getElementById('foo') );</script>
    </head>
    <body>
        <p id="foo"></p>
    </body>
</html>

    The above would fail and return null.

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