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Editorial Team
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Asked: 2026-05-13T06:43:35+00:00

By first line of Javascript I meant the JS code inside tags with no

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By first line of Javascript I meant the JS code inside tags with no “src” attribute.

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  1. Editorial Team

    By right it will be evaluated top down.

    Read more about it from my previous answer: Load and execution sequence of a web page?

    Let me explain here:

    <script type="text/javascript">
  alert(jQuery); // alerts jQuery's namespace
</script>
<script type="text/javascript" src="jquery.js"></script>

    The result is alerting undefined.

    <script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
  alert(jQuery); // alerts jQuery's namespace
</script>

    The result is alerting a object/function where defined.

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