Might as well keep your header.php clean and insert the shim from the functions.php file. <\/p>\n
\/\/ add ie conditional html5 shim to header\r\nfunction add_ie_html5_shim () {\r\n echo '<!--[if lt IE 9]>';\r\n echo '<script src=\"http:\/\/html5shim.googlecode.com\/svn\/trunk\/html5.js\"><\/script>';\r\n echo '<![endif]-->';\r\n}\r\nadd_action('wp_head', 'add_ie_html5_shim');<\/code><\/pre>\nThe shim is to enable HTML5 elements to be able to be styled through CSS in Internet Explorer versions less than 9.<\/p>\n","protected":false},"excerpt":{"rendered":"
Might as well keep your header.php clean and insert the shim from the functions.php file. \/\/ add ie conditional html5 shim to header function add_ie_html5_shim () { echo ‘<!–[if lt IE 9]>’; echo ‘<script src=”http:\/\/html5shim.googlecode.com\/svn\/trunk\/html5.js”><\/script>’; echo ‘<![endif]–>’; } add_action(‘wp_head’, ‘add_ie_html5_shim’); The shim is to enable HTML5 elements to be able to be styled through CSS […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":3229,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"page-snippet.php","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"sig_custom_text":"","sig_image_type":"featured-image","sig_custom_image":0,"sig_is_disabled":false,"inline_featured_image":false,"c2c_always_allow_admin_comments":false,"footnotes":""},"tags":[],"acf":[],"jetpack-related-posts":[{"id":17782,"url":"https:\/\/css-tricks.com\/snippets\/wordpress\/insert-images-with-figurefigcaption\/","url_meta":{"origin":7871,"position":0},"title":"Insert Images with Figure\/Figcaption","date":"August 18, 2012","format":false,"excerpt":"For a simple plugin or functions.php file: function html5_insert_image($html, $id, $caption, $title, $align, $url) { $html5 = \"\"; $html5 .= \"\"; if ($caption) { $html5 .= \"$caption\"; } $html5 .= \"\"; return $html5; } add_filter( 'image_send_to_editor', 'html5_insert_image', 10, 9 );","rel":"","context":"With 15 comments","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":18895,"url":"https:\/\/css-tricks.com\/snippets\/wordpress\/insert-images-within-figure-element-from-media-uploader\/","url_meta":{"origin":7871,"position":1},"title":"Insert Images within Figure Element from Media Uploader","date":"October 12, 2012","format":false,"excerpt":"For your functions.php file or a functionality plugin: function html5_insert_image($html, $id, $caption, $title, $align, $url) { $html5 = \"\"; $html5 .= \"\"; if ($caption) { $html5 .= \"$caption\"; } $html5 .= \"\"; return $html5; } add_filter( 'image_send_to_editor', 'html5_insert_image', 10, 9 ); It also takes what you enter as a caption\u2026","rel":"","context":"With 15 comments","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9819,"url":"https:\/\/css-tricks.com\/video-screencasts\/99-overview-of-html5-forms-types-attributes-and-elements\/","url_meta":{"origin":7871,"position":2},"title":"#99: Overview of HTML5 Forms Types, Attributes, and Elements","date":"June 20, 2011","format":false,"excerpt":"HTML5 has a bunch of form-specific features that all make forms on the web better. 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In\u2026","rel":"","context":"With 31 comments","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":17533,"url":"https:\/\/css-tricks.com\/snippets\/html\/video-for-everybody-html5-video-with-flash-fallback\/","url_meta":{"origin":7871,"position":3},"title":"Video For Everybody (HTML5 Video with Flash Fallback)","date":"July 15, 2012","format":false,"excerpt":"Download Video: Closed Format: \"MP4\" Open Format: \"Ogg\" A complete explanation at Kroc Camen's site, the originator of this technique.","rel":"","context":"With 22 comments","img":{"alt_text":"__TITLE__","src":"__VIDEO__.JPG","width":350,"height":200},"classes":[]},{"id":3808,"url":"https:\/\/css-tricks.com\/snippets\/javascript\/make-html5-elements-work-in-old-ie\/","url_meta":{"origin":7871,"position":4},"title":"Make HTML5 Elements Work in Old IE","date":"September 4, 2009","format":false,"excerpt":"So that the DOM (and thus CSS) recognizes them as real elements: (function(){if(!\/*@cc_on!@*\/0)return;var e = \"abbr,article,aside,audio,bb,canvas,datagrid,datalist,details,dialog,eventsource,figure,footer,header,hgroup,mark,menu,meter,nav,output,progress,section,time,video\".split(','),i=e.length;while(i--){document.createElement(e[i])}})() Hotlink Script:","rel":"","context":"In "Article"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8422,"url":"https:\/\/css-tricks.com\/snippets\/html\/html5-article-structure-with-hnews\/","url_meta":{"origin":7871,"position":5},"title":"HTML5 Article Structure with hNews","date":"February 1, 2011","format":false,"excerpt":"The spec for hNews. But Will It Make You Happy? 08-07-2010 By Stephanie Rosenbloom ...article text... ...article text... Tammy Strobel in her pared-down, 400sq-ft apt. ...article text... ...article text... Share this Article Facebook Twitter Etc ...article text... ...article text... Find Great Vacations A version of this article appeared in print\u2026","rel":"","context":"With 27 comments","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/pages\/7871"}],"collection":[{"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/comments?post=7871"}],"version-history":[{"count":2,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/pages\/7871\/revisions"}],"predecessor-version":[{"id":21824,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/pages\/7871\/revisions\/21824"}],"up":[{"embeddable":true,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/pages\/3229"}],"wp:attachment":[{"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/media?parent=7871"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/css-tricks.com\/wp-json\/wp\/v2\/tags?post=7871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}