时间:2020-03-18 08:59:04 | 栏目: | 点击:次
本文介绍js小数转分数的方式,精度为小数两位,提高精度可把 toFixed(2)和100同时修改。
函数代码如下:
function decimalsToFractional(decimals){
const formatDecimals = decimals.toFixed(2)
let denominator = 100 //初始化分母
let numerator = formatDecimals * 100 //初始化分子
let bigger = 0
function recursion (){
bigger = denominator > numerator ? denominator : numerator
for(let i = bigger; i > 1; i--){
if(
Number.isInteger(numerator/i)
&& Number.isInteger(denominator/i)){
numerator=numerator/i
denominator=denominator/i
recursion()
}
}
}
recursion()
return `${numerator}/${denominator}`
}