function doNumber(x){ var f = Math.round(x*100)/100; var s = f.toString(); var rs = s.indexOf('.'); if (rs < 0) { rs = s.length; s += '.'; } while (s.length <= rs + 2) { s += '0'; } return s; }
js 强制保留两位小数
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转载自www.cnblogs.com/start-fxw/p/9228671.html
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