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Remove legacy browser support #31

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Remove legacy browser support #31

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90 changes: 0 additions & 90 deletions jquery.ba-hashchange.js
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Original file line number Diff line number Diff line change
Expand Up @@ -294,96 +294,6 @@
timeout_id = setTimeout( poll, $.fn[ str_hashchange ].delay );
};

// vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
// vvvvvvvvvvvvvvvvvvv REMOVE IF NOT SUPPORTING IE6/7/8 vvvvvvvvvvvvvvvvvvv
// vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
$.browser.msie && !supports_onhashchange && (function(){
// Not only do IE6/7 need the "magical" Iframe treatment, but so does IE8
// when running in "IE7 compatibility" mode.

var iframe,
iframe_src;

// When the event is bound and polling starts in IE 6/7, create a hidden
// Iframe for history handling.
self.start = function(){
if ( !iframe ) {
iframe_src = $.fn[ str_hashchange ].src;
iframe_src = iframe_src && iframe_src + get_fragment();

// Create hidden Iframe. Attempt to make Iframe as hidden as possible
// by using techniques from http://www.paciellogroup.com/blog/?p=604.
iframe = $('<iframe tabindex="-1" title="empty"/>').hide()

// When Iframe has completely loaded, initialize the history and
// start polling.
.one( 'load', function(){
iframe_src || history_set( get_fragment() );
poll();
})

// Load Iframe src if specified, otherwise nothing.
.attr( 'src', iframe_src || 'javascript:0' )

// Append Iframe after the end of the body to prevent unnecessary
// initial page scrolling (yes, this works).
.insertAfter( 'body' )[0].contentWindow;

// Whenever `document.title` changes, update the Iframe's title to
// prettify the back/next history menu entries. Since IE sometimes
// errors with "Unspecified error" the very first time this is set
// (yes, very useful) wrap this with a try/catch block.
doc.onpropertychange = function(){
try {
if ( event.propertyName === 'title' ) {
iframe.document.title = doc.title;
}
} catch(e) {}
};

}
};

// Override the "stop" method since an IE6/7 Iframe was created. Even
// if there are no longer any bound event handlers, the polling loop
// is still necessary for back/next to work at all!
self.stop = fn_retval;

// Get history by looking at the hidden Iframe's location.hash.
history_get = function() {
return get_fragment( iframe.location.href );
};

// Set a new history item by opening and then closing the Iframe
// document, *then* setting its location.hash. If document.domain has
// been set, update that as well.
history_set = function( hash, history_hash ) {
var iframe_doc = iframe.document,
domain = $.fn[ str_hashchange ].domain;

if ( hash !== history_hash ) {
// Update Iframe with any initial `document.title` that might be set.
iframe_doc.title = doc.title;

// Opening the Iframe's document after it has been closed is what
// actually adds a history entry.
iframe_doc.open();

// Set document.domain for the Iframe document as well, if necessary.
domain && iframe_doc.write( '<script>document.domain="' + domain + '"</script>' );

iframe_doc.close();

// Update the Iframe's hash, for great justice.
iframe.location.hash = hash;
}
};

})();
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// ^^^^^^^^^^^^^^^^^^^ REMOVE IF NOT SUPPORTING IE6/7/8 ^^^^^^^^^^^^^^^^^^^
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

return self;
})();

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