function toDecimal2(x) {
var f = parseFloat(x);
if (isNaN(f)) {
return false;
}
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;
}
制保留2位小数,如:999999,会在999999后面补上00.即999999.00
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转载自blog.csdn.net/qq_39313596/article/details/80915853
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