2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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"use strict";
var pad = require("../../string/#/pad")
, toPosInt = require("../to-pos-integer")
, toFixed = Number.prototype.toFixed;
module.exports = function (length/*, precision*/) {
var precision;
length = toPosInt(length);
precision = toPosInt(arguments[1]);
return pad.call(precision ? toFixed.call(this, precision) : this,
"0", length + (precision ? 1 + precision : 0));
};
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