https://github.com/tntim96/JSCover
window.open('path/to/jscoverage.html');
if(window.jscoverage_report){
jscoverage_report();
}
if(window.jscoverage_report){
var directory;
if(//.test(navigator.userAgent)){
directory = 'IE';
} else {
directory = 'other';
}
jscoverage_report(directory);
}
<button type="button" onclick="window.open('path/to/jscoverage.html');">Coverage report</button>
jscverage --no-instrument=PATH SOURCE-DIRECTORY DESTINATION-DERECTORY