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Asked: 2026-05-15T14:30:03+00:00

What is the difference between Source and Generated Source in Firefox? Please explain with

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What is the difference between “Source” and “Generated Source” in Firefox?

Please explain with example.

Edit: 3 July

Which source “Search engine” uses, Generated or before generated?

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1 Answer

  1. Editorial Team

    Source will show the source that the page was loaded with (served by the server).

    Generated source will draw ‘source code’ from the current DOM elements, and therefore includes elements dynamically created by JavaScript.

    For example, source would show:

    <script>
  window.onload = function(){
    document.getElementById('test').innerHTML = 'Generated Content';
  }
</script>
<html>
  <div id='test'>Source</div>
</html>

    and Generated Source would ‘draw’ the source at the time you click ‘View Generated Source’, after which the div’s contents have been changed, and you would see:

    <script>
  window.onload = function(){
    document.getElementById('test').innerHTML = 'Generated Content';
  }
</script>
<html>
  <div id='test'>Generated Content</div> <!-- Note the difference here -->
</html>
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