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Add custom JavaScript to from a post

/ Published in: PHP
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Another source: http://wpswitch.com/blog/wordpress/an-introduction-to-wordpress-custom-fields/

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Copy this code and paste it in your HTML 
  1. <? if( is_single() and
  2.        $customjs = get_post_meta($post->ID, 'custom_js', true) )
  3.    echo "<script src='".$customjs."' language='javascript'></script>";
  4. ?>

URL: http://wordpress.org/support/topic/add-custom-javascript-to-ltheadgt-from-a-post

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