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Create fixed table headers with jQuery
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// http://obvcode.blogspot.com/2007/11/easiest-way-to-check-ie-version-with.html | |
var Browser = { | |
version: function() { | |
var version = 999; // we assume a sane browser | |
if (navigator.appVersion.indexOf("MSIE") != -1) { | |
// bah, IE again, lets downgrade version number | |
version = parseFloat(navigator.appVersion.split("MSIE")[1]); | |
} | |
return version; | |
} | |
}; | |
var table = $('table'), | |
thead = table.find('thead'), | |
fixed_thead, | |
the_window = $(window), | |
tr_1, tr_2, did_scroll = false; | |
thead.find('td').each(function() { | |
$(this).css('width', $(this).width()); | |
}); | |
fixed_thead = thead.clone(); | |
thead.after(fixed_thead); | |
if( Browser.version() < 8 ) { | |
fixed_thead.find('tr').css({ | |
'position': 'absolute', | |
'top': 0 | |
}); | |
tr_1 = fixed_thead.find('tr:first'); | |
tr_2 = fixed_thead.find('tr:last').css('margin-top', tr_1.height()); | |
}else { | |
fixed_thead.css({ | |
'position': 'fixed', | |
'top': 0, | |
'width': table.width() | |
}); | |
} | |
fixed_thead.hide(); | |
the_window.scroll(function() { | |
if( the_window.scrollTop() >= table.offset().top ) { | |
fixed_thead.show(); | |
if( Browser.version() < 8 ) { | |
did_scroll = true; | |
} | |
}else { | |
fixed_thead.hide(); | |
} | |
if( the_window.scrollTop() > (table.offset().top + table.height()) - fixed_thead.height() ) { | |
fixed_thead.hide(); | |
} | |
}); | |
setInterval(function() { | |
if( did_scroll ) { | |
did_scroll = false; | |
tr_1.css('top', the_window.scrollTop()); | |
tr_2.css('top', the_window.scrollTop()); | |
} | |
}, 250); |
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var table = $('table'), | |
thead = table.find('thead'), | |
fixed_thead, | |
fixed_table = $('<table />', { | |
'cellpadding': 5, | |
'cellspacing': 0, | |
'border': 1, | |
'id': 'fixed_table_header' | |
}), | |
fixed_table_wrapper = $('<div />', { | |
'height': 400, | |
'css': { | |
'overflow': 'auto' | |
} | |
}); | |
table.before(fixed_table); | |
thead.find('td').each(function() { | |
$(this).css('width', $(this).width()); | |
}); | |
fixed_thead = thead.clone(); | |
fixed_table.append(fixed_thead); | |
thead.hide(); | |
table.wrap(fixed_table_wrapper); | |
// align the new table header with the original table | |
fixed_table.css('left', (fixed_table.offset().left - table.offset().left) * -1); |
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