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c01nd01r/index.js

Last active May 4, 2016 20:56
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round to precision
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index.js
function round(number, prec) {
prec = prec || 0;
return Math.round(number * Math.pow(10, prec)) / Math.pow(10, prec);
}
//round(4.9156, 3);
//4.916
//round(4.9155, 3);
//4.916
//round(4.9154, 3);
//4.915
//round(4.9154);
//5
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