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WordPress: remove type attribute for JavaScript resources

Adam Mateusz Brożyński
.
・1 min read

Problem:

  • W3 Validator says:
Warning: The type attribute is unnecessary for JavaScript resources.
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Solution:

  • In functions.php insert following code:
<?php 
function removeTypeJS($x) {
  ob_start();
  call_user_func($x);
  echo preg_replace("/type=['\"]text\/(javascript|css)['\"]/", '',ob_get_clean());
}
?> 
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  • Replace <?php wp_head(); ?> in template with: <?php removeTypeJS("wp_head"); ?>
  • Replace <?php wp_footer(); ?> in template with: <?php removeTypeJS("wp_footer"); ?>

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