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linenumber.js

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linenumber.js

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/*global document */

(function() {

var source = document.getElementsByClassName('prettyprint source linenums');

var i = 0;

var lineNumber = 0;

var lineId;

var lines;

var totalLines;

var anchorHash;

if (source && source[0]) {

anchorHash = document.location.hash.substring(1);

lines = source[0].getElementsByTagName('li');

totalLines = lines.length;

for (; i < totalLines; i++) {

lineNumber++;

lineId = 'line' + lineNumber;

lines[i].id = lineId;

if (lineId === anchorHash) {

lines[i].className += ' selected';

}

}

}

})();