Javascript实现求小数点后100位数值

function num(a,b){
  let list=[]
  let n1=a%b; //求余

  while(list.length<100){  //100位
    let n2 =Math.floor(n1*10/b)
    list.push(n2)
    n1=n1*10%b //继续求余
  }
  return list.join('')
}
num(40,13)

//"0769230769230769230769230769230769230769230769230769230769230769230769230769230769230769230769230769"

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转载自www.cnblogs.com/coolFQ/p/11772183.html