Jquery练习三

$(document).ready(function(){
	$('div.chapter a[href*=wikipedia]').each(function(index){
		var $thisLink = $(this);
		$thisLink.attr({
			'rel':'external',
			'id':'wikilink-' + index,
			'title':'learn more about ' + $thisLink.text() + ' at Wikipedia'
		});
	});
});

$(document).ready(function(){
	$('<a href = "#top">back to top</a>').insertAfter('div.chapter p:(gt)2');
	$('<a id="top" name="top"></a>').prependTo('body');
});

$(document).ready(function(){
	$('<ol id="notes"></ol>').insertAfter('div.chapter');
	$('<span.footnote>').each(function(index){
		$(this).before('<a href="#foot-note-' + (index+1) + 
		'" id="context-' + (index+1) + '" class="context"><sup>' +
		(index+1) + '</sup></a>').appendTo('#notes')
		.append( '&nbsp;(<a href="#context-' + (index+1) + '"> context </a>)' )
		.wrap('<li id="foot-note-' + (index+1) + '"></li>');
	});
});

$(document).ready(function(){
	$('span.pull-quote').each(function(index){
		var $parentParagraph = $(this).parent('p');
		$parentParagraph.css('position','relative');
		var $clonedCopy = $(this).clone();
		$clonedCopy
		.addClass('pulled')
		.find('span.drop')
		.html('&hellip')
		.end().
		prependTo($parentParagraph)
		.wrap('<div class="pulled-wrapper"></div>');
		var clonedText = $clonedCopy.text();
		$clonedCopy.html(clonedText);
	});
});