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Allow for dynamic number of columns #2

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413ce92
Allow for dynamic number of columns
rkorebrits-gsdh Nov 14, 2014
7abd13b
Update README.md
rkorebrits Nov 14, 2014
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10 changes: 9 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,12 @@
chrome-bootstrap
chrome-bootstrap-dynamic
================

A Chrome extension to overlay your Bootstrap grid

Forked version of https://github.com/chuckhendo/chrome-bootstrap

Added option for adding an attribute to the body tag for customizing
number of columns that are overlayed.
Attribute is optional, fallback to 12 columns.

<body data-bootstrap-num-cols="15">
38 changes: 21 additions & 17 deletions grid.js
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@@ -1,26 +1,30 @@
if (document.getElementsByClassName('cb-grid-lines').length){

document.body.removeChild(document.getElementsByClassName('cb-grid-lines')[0]);
}

else {
document.body.innerHTML += '<div class="cb-grid-lines"> \

var html = "",
numCols = 12,
dataNumCols = document.getElementsByTagName("body")[0].getAttribute("data-bootstrap-num-cols");

if(typeof dataNumCols === "string" && dataNumCols.length){
numCols = parseInt(dataNumCols, 10);
}

html += '<div class="cb-grid-lines"> \
<div class="container"> \
<div class="row"> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
<div class="span1 col-xs-1"></div> \
</div> \
<div class="row">';

for (var i = 0; i < numCols; i += 1) {
html += '<div class="span1 col-xs-1"></div>';
}

html += '</div> \
</div> \
</div>';


document.body.innerHTML += html;

}