How to Find the Script Tag That Loaded the Current Script?

How to Reference the Loading Script Tag

In various scenarios, it becomes necessary to reference the script tag that loaded the currently executing script. This can be achieved through multiple methods, each with its own advantages and drawbacks.

1. document.currentScript

<script><br>var me = document.currentScript;<br></script><br>

Benefits:

• Simple and explicit.
• Reliable.
• Works with asynchronous scripts.
• No need to modify the script tag.

Problems:

• Not supported in older browsers and IE.
• Doesn't work with modules (
  

  function isMe(scriptElem){</p>
  <pre class="brush:php;toolbar:false">if( isMe(scripts[i])){
    me = scripts[i];
  }

  }
  

  Benefits:

  • Flexible, can use previous techniques.

  Problems:

  • Can be inefficient.

  6. Last Executed Script

  <script><br>var scripts = document.getElementsByTagName( 'script' );<br>var me = scripts[ scripts.length - 1 ];<br></script><br>

  Benefits:

  • Simple.

  Problems:

  • Doesn't work with asynchronous or dynamically inserted scripts.

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