library-mirrors/jquery
1
0
Fork 0
mirror of https://github.com/jquery/jquery.git synced 2024-11-23 02:54:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reduced script transport

Browse Source
This commit is contained in:
jaubourg 2013-01-09 02:01:13 +01:00 committed by Dave Methvin
parent 359e3f5746
commit c373a499d3
1 changed files with 21 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
src/ajax/script.js
View File

@ -14,71 +14,45 @@ jQuery.ajaxSetup({
}
});
// Handle cache's special case and global
// Handle cache's special case and crossDomain
jQuery.ajaxPrefilter( "script", function( s ) {
if ( s.cache === undefined ) {
s.cache = false;
}
if ( s.crossDomain ) {
s.type = "GET";
s.global = false;
}
});
// Bind script tag hack transport
jQuery.ajaxTransport( "script", function(s) {
// This transport only deals with cross domain requests
if ( s.crossDomain ) {
var script,
head = document.head || jQuery("head")[0] || document.documentElement;
var callback;
return {
send: function( _, callback ) {
script = document.createElement("script");
script.async = true;
if ( s.scriptCharset ) {
script.charset = s.scriptCharset;
}
script.src = s.url;
// Attach handlers for all browsers
script.onload = script.onreadystatechange = function( _, isAbort ) {
if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
// Handle memory leak in IE
script.onload = script.onreadystatechange = null;
// Remove the script
if ( script.parentNode ) {
script.parentNode.removeChild( script );
send: function( _, complete ) {
callback = function( type ) {
return function() {
callback = script.onload = script.onerror = null;
jQuery( script ).remove();
if ( type ) {
complete( type === "success" ? 200 : 404, type );
}
// Dereference the script
script = null;
// Callback if not abort
if ( !isAbort ) {
callback( 200, "success" );
}
}
};
};
// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
// Use native DOM manipulation to avoid our domManip AJAX trickery
head.insertBefore( script, head.firstChild );
var script = jQuery.extend( document.createElement("script"), {
async: true,
charset: s.scriptCharset,
src: s.url,
onload: callback("success"),
onerror: callback("error")
});
callback = callback();
document.head.appendChild( script );
},
abort: function() {
if ( script ) {
script.onload( undefined, true );
if ( callback ) {
callback();
}
}
};