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CSS

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HTML 

              
                <div class="content">

	<h1>Javascript-Based Column Widths Test Cases</h1>

	<div class="table js">
		<ul class="header">
			<li class="col-1">Space</li>
			<li class="col-2">Size</li>
			<li class="col-3">Term</li>
			<li class="col-4">Rate</li>
			<li class="col-5">Space Use</li>
			<li class="col-6">Condition</li>
			<li class="col-7">Available</li>
		</ul>
		<ul>
			<li class="col-1">1st Floor - Ste 160</li>
			<li class="col-2">6,063sf</li>
			<li class="col-3">3&ndash;<wbr>5 Years</li>
			<li class="col-4">$42.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">Now <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">1st Floor - Ste 190</li>
			<li class="col-2">13,299sf</li>
			<li class="col-3">3&ndash;<wbr>5 Years</li>
			<li class="col-4">$42.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">Partial Build-Out</li>
			<li class="col-7">60 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 260</li>
			<li class="col-2">23,509sf</li>
			<li class="col-3">3&ndash;<wbr>5 Years</li>
			<li class="col-4">$42.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">Partial Build-Out</li>
			<li class="col-7">Now <a href="#" class="details"><b>Details</b></a></li>
		</ul>
	</div>

	<div class="table js">
		<ul class="header">
			<li class="col-1">Space</li>
			<li class="col-2">Size</li>
			<li class="col-3">Term</li>
			<li class="col-4">Rate</li>
			<li class="col-5">Space Use</li>
			<li class="col-6">Condition</li>
			<li class="col-7">Available</li>
		</ul>
		<ul>
			<li class="col-1">1st Floor</li>
			<li class="col-2">4,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">Upon Request</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">30 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor</li>
			<li class="col-2">50&ndash;<wbr>8,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">Upon Request</li>
			<li class="col-5">Office</li>
			<li class="col-6">Partial Build-Out</li>
			<li class="col-7">30 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">3rd Floor</li>
			<li class="col-2">2,400&ndash;<wbr>8,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">Upon Request</li>
			<li class="col-5">Office</li>
			<li class="col-6">Partial Build-Out</li>
			<li class="col-7">30 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
	</div>

	<div class="table js">
		<ul class="header">
			<li class="col-1">Space</li>
			<li class="col-2">Size</li>
			<li class="col-3">Term</li>
			<li class="col-4">Rate</li>
			<li class="col-5">Space Use</li>
			<li class="col-6">Condition</li>
			<li class="col-7">Available</li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 209</li>
			<li class="col-2">200&ndash;<wbr>500sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">Now <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 205</li>
			<li class="col-2">200&ndash;<wbr>1,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">Now <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 228</li>
			<li class="col-2">200&ndash;<wbr>1,200sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">TBD <a href="#" class="details"><b>Details</b></a></li>
		</ul>
	</div>

	<div class="table js">
		<ul class="header">
			<li class="col-1">Space</li>
			<li class="col-2">Size</li>
			<li class="col-3">Term</li>
			<li class="col-4">Rate</li>
			<li class="col-5">Space Use</li>
			<li class="col-6">Condition</li>
			<li class="col-7">Available</li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 209</li>
			<li class="col-2">200&ndash;<wbr>500sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office/<wbr>Retail</li>
			<li class="col-6">Partial Build-Out</li>
			<li class="col-7">Now <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 205</li>
			<li class="col-2">200&ndash;<wbr>1,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">30 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
		<ul>
			<li class="col-1">2nd Floor - Ste 211</li>
			<li class="col-2">200&ndash;<wbr>1,000sf</li>
			<li class="col-3">Negotiable</li>
			<li class="col-4">$36.00&ndash;<wbr>$48.00/sf/yr</li>
			<li class="col-5">Office</li>
			<li class="col-6">N/A</li>
			<li class="col-7">30 Days <a href="#" class="details"><b>Details</b></a></li>
		</ul>
	</div>
	
</div>
!

CSS 

              
                html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
	font: 18px "Helvetica Neue", sans-serif;
	margin: 0;
	padding: 48px;
}

a {
	color: #0559b3;
	text-decoration: none;
}

.content {
	margin: 0 auto;
	max-width: 1280px;
}

h1 {
	font-size: 18px;
	margin: 0 0 48px;
	padding: 0;
}

.table {
	margin: 0 0 48px;
	width: 100%;
	min-width: 800px;
}

.table.css {
	display: table;
}

.table ul {
	align-items: center;
	border-bottom: 1px solid #ddd;
	clear: both;
	display: flex;
	justify-content: space-between;
	list-style: none;
	margin: 0;
	padding: 0;
}

.table.css ul {
	display: table-row;
}

.table li {
	margin: 0;
	padding: 12px 16px 12px 0;
}

.table li:first-child {
	padding-left: 16px;
}

.table li:last-child {
	padding-right: 32px;
}

.js.table ul {
	border-right: 1px solid #ddd;
	border-left: 1px solid #ddd;
}

.js.table ul:last-child {
	border-bottom-right-radius: 4px;
	border-bottom-left-radius: 4px;
}

.js.table ul.header {
	border-right: 1px solid #666;
	border-left: 1px solid #666;
	border-top-right-radius: 4px;
	border-top-left-radius: 4px;
}

.table ul.header {
	background: #666;
	border-bottom: none;
}

.table ul.header li {
	color: #fff;
	text-transform: uppercase;
}

.table.css li {
	border-bottom: 1px solid #ddd;
	display: table-cell;
	float: none;
	width: auto;
}

.details {
	display: inline-block;
	float: right;
	margin-left: 16px;
	position: relative;
}
.details:hover {
	background: #E0EFFF;
	border-radius: 4px;
	padding: 6px 26px 6px 6px;
	margin: -6px -26px -6px -6px;
}
.details:after {
	content: "";
	position: absolute;
	width: 8px;
	height: 8px;
	border-top: 2px solid #0559b3;
	border-right: 2px solid #0559b3;
	transform: rotate(135deg);
	top: 6px;
	right: -16px;
}
.details:hover:after {
	right: 10px;
	top: 12px;
}
.details b {
	font-weight: 500;
}

.details-content {
	border: 1px solid #ddd;
	padding: 12px 16px;
}
.details-content p {
	margin: 0 0 12px;
	padding: 0;
}

@media (max-width: 1280px) {
	body {
		font-size: 16px;
	}
	.details {
		width: 16px;
	}
	.details:after {
		top: 4px;
	}
	.details:hover:after {
		top: 10px;
	}
	.details:hover {
		padding: 6px 24px 6px 4px;
		margin: -6px -26px -6px -6px;
	}
	.details b {
		visibility: hidden;
	}
}

@media (max-width: 1024px) {
	body {
		font-size: 14px;
	}
}
!

JS 

              
                // To-do
// Set threshold for long strings?
// Re-run when breakpoints are triggered


// Function to count pixel widths of text

$.fn.textWidth = function (text, font, transform) {
    if (!$.fn.textWidth.fakeEl) $.fn.textWidth.fakeEl = $('<span>').hide().appendTo(document.body);
    $.fn.textWidth.fakeEl.text(text || this.val() || this.text())
        .css('font', font || this.css('font'))
        .css('text-transform', transform || this.css('text-transform'));
    return $.fn.textWidth.fakeEl.width();
};


// Loop through tables to get max content widths and  then set column widths

$(".js").each(function() {

	cols = $("ul:first-child li").length;

	maxCountTotal = 0;

	// Make a pass to get the max count total
	for (i=1; i <=cols; i++) {

		maxCount = 0;

		$("ul", this).each(function(j) {

			row = j+1;

			pxCount = $("li:nth-child(" + i + ")", this).textWidth();
			paddingRightCount = parseFloat($("li:nth-child(" + i + ")", this).css("padding-right"));
			paddingLeftCount = parseFloat($("li:nth-child(" + i + ")", this).css("padding-left"));
			paddingCount = paddingRightCount+paddingLeftCount;
			pxCount = pxCount + paddingCount;

			if(pxCount>maxCount) {
				maxCount = pxCount;
			}

		});

		maxCountTotal = maxCountTotal+maxCount;

	}


	// Make another pass to set the column widths
	for (i=1; i <=cols; i++) {

		maxCount = 0;

		$("ul", this).each(function(j) {

			row = j+1;

			pxCount = $("li:nth-child(" + i + ")", this).textWidth();
			paddingRightCount = parseFloat($("li:nth-child(" + i + ")", this).css("padding-right"));
			paddingLeftCount = parseFloat($("li:nth-child(" + i + ")", this).css("padding-left"));
			paddingCount = paddingRightCount+paddingLeftCount;
			pxCount = pxCount + paddingCount;

			if(pxCount>maxCount) {
				maxCount = pxCount;
			}

		});

		maxCountPercent = (maxCount/maxCountTotal)*100;

		$("ul li:nth-child(" + i + ")", this).css("width", maxCountPercent + "%");

	}
	
});
!
999px

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