Created
February 11, 2016 08:59
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select rows and columns in html without jquery
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<html> | |
<head> | |
<title>brand</title> | |
<style> | |
.selected {background-color: lightgrey;} | |
table {border:1px solid black;} | |
td {border:1px solid black;} | |
</style> | |
<script type="text/javascript"> | |
// ready func for knowing when document is ready | |
function ready(fn) { | |
if (document.readyState != 'loading'){ | |
fn(); | |
} else { | |
document.addEventListener('DOMContentLoaded', fn); | |
} | |
} | |
// toggle a classname on an element | |
function toggleClass(el, className){ | |
if (el.classList) { | |
// has classes, toggle | |
el.classList.toggle(className); | |
} else { | |
// has no classes...add | |
el.className = className; | |
} | |
} | |
// add clickevents when document is ready | |
ready(function(){ | |
var rows = document.querySelectorAll("tbody tr"); | |
Array.prototype.forEach.call(rows, function(el, i){ | |
el.addEventListener('click', function(ev){ | |
toggleClass(ev.target.parentElement, 'selected'); | |
}); | |
}); | |
var columns = document.querySelectorAll("thead td"); | |
Array.prototype.forEach.call(columns, function(el, i){ | |
el.addEventListener('click', function(ev){ | |
var columnClassList = ev.target.className.split(' '); | |
var selector = columnClassList.map(function(cn){return '.'+cn;}).join(''); | |
var cells = document.querySelectorAll(selector); | |
Array.prototype.forEach.call(cells, function(el, i){ | |
toggleClass(el, 'selected'); | |
}); | |
}); | |
}); | |
}); | |
</script> | |
</head> | |
<body> | |
<table> | |
<thead> | |
<tr> | |
<td class="col1"> | |
col1 | |
</td> | |
<td class="col2"> | |
col2 | |
</td> | |
</tr> | |
</thead> | |
<tbody> | |
<tr> | |
<td class="col1"> | |
data1 | |
</td> | |
<td class="col2"> | |
data2 | |
</td> | |
</tr> | |
<tr> | |
<td class="col1"> | |
data3 | |
</td> | |
<td class="col2"> | |
data3 | |
</td> | |
</tr> | |
</tbody> | |
</body> |
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