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Fixes #8098. Use the fast document.head when available. Don't set unn…

…eeded "script.type = text/javascript".
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commit 462bb1f66abf239492ee33c60feee3402fe64f77 1 parent fdd4101
@mathiasbynens mathiasbynens authored jitter committed
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6 speed/jquery-basis.js
@@ -524,11 +524,9 @@ jQuery.extend({
if ( data && rnotwhite.test(data) ) {
// Inspired by code by Andrea Giammarchi
// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
- var head = document.getElementsByTagName("head")[0] || document.documentElement,
+ var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement,
script = document.createElement("script");
- script.type = "text/javascript";
-
if ( jQuery.support.scriptEval ) {
script.appendChild( document.createTextNode( data ) );
} else {
@@ -5060,7 +5058,7 @@ jQuery.extend({
// If we're requesting a remote document
// and trying to load JSON or Script with a GET
if ( s.dataType === "script" && type === "GET" && remote ) {
- var head = document.getElementsByTagName("head")[0] || document.documentElement;
+ var head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement;
var script = document.createElement("script");
script.src = s.url;
if ( s.scriptCharset ) {
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2  src/ajax/script.js
@@ -34,7 +34,7 @@ jQuery.ajaxTransport( "script", function(s) {
if ( s.crossDomain ) {
var script,
- head = document.getElementsByTagName( "head" )[ 0 ] || document.documentElement;
+ head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement;
return {
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6 src/core.js
@@ -574,10 +574,8 @@ jQuery.extend({
if ( data && rnotwhite.test(data) ) {
// Inspired by code by Andrea Giammarchi
// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
- var head = document.getElementsByTagName("head")[0] || document.documentElement,
- script = document.createElement("script");
-
- script.type = "text/javascript";
+ var head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement,
+ script = document.createElement( "script" );
if ( jQuery.support.scriptEval() ) {
script.appendChild( document.createTextNode( data ) );
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2  src/manipulation.js
@@ -7,7 +7,7 @@ var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
rtbody = /<tbody/i,
rhtml = /<|&#?\w+;/,
rnocache = /<(?:script|object|embed|option|style)/i,
- // checked="checked" or checked (html5)
+ // checked="checked" or checked
rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
wrapMap = {
option: [ 1, "<select multiple='multiple'>", "</select>" ],
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