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1. jahshuwaa
   Member
   Posted 2 years ago #

   Working in the theme's functions.php, how can I wp_enqueue_script a javascript file with conditional comments (for IE)?

   On the inclusion of CSS, wp_enqueue_style supports this for CSS with the following, for example:
   $wp_styles->add_data( 'theme-ie6', 'conditional', 'lt IE 7' );

   Results output:
   <!--[if lt IE 7]>
   <link rel='stylesheet' id='theme-ie6-css' href='/wp-content/themes/test/style_ie6.css?ver=1.0.0' type='text/css' media='all' />
   <![endif]-->

   I thought the same techniques should work for wp_enqueue_script but I have not been successful.

   DESIRED RESULT on page/post/etc:
   <!--[if lt IE 9]>
   <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
   <![endif]-->

   CODE TO ACHIEVE? (in functions.php of theme):
   global $wp_scripts;
   wp_register_script('html5shiv','http://html5shiv.googlecode.com/svn/trunk/html5.js',array(),'1.5.1');
   wp_enqueue_script('html5shiv');
   $wp_scripts->add_data( 'html5shiv', 'conditional', 'lt IE 9' ); // DOES NOT WORK

   Need some expert help here to properly enqueue the scripts with conditional comments

2. jahshuwaa
   Member
   Posted 2 years ago #

   Still no progress on this. Is there a hook?

3. jahshuwaa
   Member
   Posted 2 years ago #

   Would a Mod please move this to the advanced forum?

4. Ipstenu
   Half-Elf Support Rogue & Mod
   Posted 2 years ago #

   A simple if IE should do it.

   <!--[if IE]>
   <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
   <![endif]-->

5. Björn Ali Göransson
   Member
   Posted 1 year ago #

   Jahshuwaa,

   This feature is implemented in the styles part of wordpress as of now (even wordpress 3, latest build, doesn't have it).

6. wmrom
   Member
   Posted 1 year ago #

   jahshuwaa: There doesn't seem to be a hook. I think this would be a good enhancement request for 3.1

   I looked on trac and found this:
   http://core.trac.wordpress.org/ticket/10891

   So it's on the radar.

7. Mark Jaquith
   WordPress Lead Dev
   Posted 1 year ago #

   Also consider that you can use the global $is_IE to determine IE, and only enqueue if so. But if you want to not enqueue for IE 9 and higher, you'll have to do some User Agent parsing yourself.

   Also worth reading, on the subject of HTML5 support detection:

   http://diveintohtml5.org/everything.html

8. jahshuwaa
   Member
   Posted 1 year ago #

   wmrom, good info. Thank you for the trac link.

   markjaquith, great suggestion and resource. I'll parse the user agent string in this case to enqueue conditionally.

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