mattattui · January 29, 2017 00:30
diff --git a/index.html b/index.html
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
  "http://www.w3.org/TR/html4/strict.dtd">

 <html lang="en">
 <head>
  <meta http-equiv="Content-type" content="text/html; charset=utf-8">
  <title>Decimal alignment test</title>
  <script src="//code.jquery.com/jquery-2.1.4.min.js" type="text/javascript" charset="utf-8"></script>
  <script src="jquery.column.min.js" type="text/javascript" charset="utf-8"></script>
 </head>
 <body>

 <h1>Decimal alignment test</h1>

 <table border="1" cellpadding="5">
  <colgroup>
    <col>
    <col align="char" char=".">
  </colgroup>
  <thead>
    <tr><th>Item</th><th>Price (£)</th></tr>
  </thead>
  <tbody>
    <tr><td>Widget</td><td>10</td></tr>
    <tr><td>Sprocket</td><td>104.999</td></tr>
    <tr><td>Gadget</td><td>8.50</td></tr>
    <tr><td>Doodad</td><td>0.075</td></tr>
    
  </tbody>
 </table>

 <script type="text/javascript" charset="utf-8">

 function alignColumns()
 {
  jQuery('col[align=char]', this).each(alignColumnChar);
  // jQuery('col[align=center]', this).each(alignColumnCenter);
  // jQuery('col[align=right]', this).each(alignColumnRight);
 }

 function alignColumnChar()
 {
  // What're we aligning on?
  var achar = jQuery(this).attr('char');

  // Get the table that this column belongs to
  var table = jQuery(this).closest('table');

  // Find which table column this <col> tag is referring to (bearing in mind colspans in previous <col> tags)
  var index = 1;
  var coltags = jQuery(this).prevAll('col').each(function(){
    var span = jQuery(this).attr('colspan');
    index += span ? parseInt(span) : 1;
  });

  // Get all table cells in this column
  var widths = [];
  var colcells = jQuery('td', table).nthCol(index);

  // Build a list of content widths from the alignment point onward, and remember the largest
  colcells.each(calculateAlignWidth);
  
  // Add right-padding to each cell equivalent to the difference between its width and the maximum
  var maxwidth = 0;
  for(i=0;i<widths.length;i++)
  {
    maxwidth = widths[i] > maxwidth ? widths[i] : maxwidth;
  }
  
  colcells.each(addAlignPadding);
  
  function addAlignPadding(i)
  {
    jQuery(this).css('padding-right', maxwidth-widths[i]+5+'px');
    jQuery(this).css('text-align', 'right');
  }
  
  function calculateAlignWidth(i)
  {
    var content = jQuery(this).text();
    var strindex = content.lastIndexOf(achar);
    if (strindex == -1)
    {
      widths[i] = 0;
      return;
    }
    
    var remainder = content.substr(strindex);
    // Make a dummy element with the remainder to get its width
    var tag = jQuery('<span>'+remainder+'</span>').appendTo(this);
    widths[i] = tag.width();
    tag.remove();
  }

 }



 jQuery('table:has(col)').each(alignColumns);
  
 </script>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
	"http://www.w3.org/TR/html4/strict.dtd">

	<html lang="en">
	<head>
	<meta http-equiv="Content-type" content="text/html; charset=utf-8">
	<title>Decimal alignment test</title>
	<script src="//code.jquery.com/jquery-2.1.4.min.js" type="text/javascript" charset="utf-8"></script>
	<script src="jquery.column.min.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>

	<h1>Decimal alignment test</h1>

	<table border="1" cellpadding="5">
	<colgroup>
	<col>
	<col align="char" char=".">
	</colgroup>
	<thead>
	<tr><th>Item</th><th>Price (£)</th></tr>
	</thead>
	<tbody>
	<tr><td>Widget</td><td>10</td></tr>
	<tr><td>Sprocket</td><td>104.999</td></tr>
	<tr><td>Gadget</td><td>8.50</td></tr>
	<tr><td>Doodad</td><td>0.075</td></tr>

	</tbody>
	</table>

	<script type="text/javascript" charset="utf-8">

	function alignColumns()
	{
	jQuery('col[align=char]', this).each(alignColumnChar);
	// jQuery('col[align=center]', this).each(alignColumnCenter);
	// jQuery('col[align=right]', this).each(alignColumnRight);
	}

	function alignColumnChar()
	{
	// What're we aligning on?
	var achar = jQuery(this).attr('char');

	// Get the table that this column belongs to
	var table = jQuery(this).closest('table');

	// Find which table column this <col> tag is referring to (bearing in mind colspans in previous <col> tags)
	var index = 1;
	var coltags = jQuery(this).prevAll('col').each(function(){
	var span = jQuery(this).attr('colspan');
	index += span ? parseInt(span) : 1;
	});

	// Get all table cells in this column
	var widths = [];
	var colcells = jQuery('td', table).nthCol(index);

	// Build a list of content widths from the alignment point onward, and remember the largest
	colcells.each(calculateAlignWidth);

	// Add right-padding to each cell equivalent to the difference between its width and the maximum
	var maxwidth = 0;
	for(i=0;i<widths.length;i++)
	{
	maxwidth = widths[i] > maxwidth ? widths[i] : maxwidth;
	}

	colcells.each(addAlignPadding);

	function addAlignPadding(i)
	{
	jQuery(this).css('padding-right', maxwidth-widths[i]+5+'px');
	jQuery(this).css('text-align', 'right');
	}

	function calculateAlignWidth(i)
	{
	var content = jQuery(this).text();
	var strindex = content.lastIndexOf(achar);
	if (strindex == -1)
	{
	widths[i] = 0;
	return;
	}

	var remainder = content.substr(strindex);
	// Make a dummy element with the remainder to get its width
	var tag = jQuery('<span>'+remainder+'</span>').appendTo(this);
	widths[i] = tag.width();
	tag.remove();
	}

	}



	jQuery('table:has(col)').each(alignColumns);

	</script>
	</body>
	</html>