JSFiddle - React, Tailwind, and code Playground
JavaScript
//四捨五入
var myNum = 200.6;
var myRound = Math.round(myNum)
console.log(myRound);
//切り捨て
var myNum = 200.6;
var myRound = Math.floor(myNum)
console.log(myRound);
//切り上げ
var myNum = 200.6;
var myRound = Math.ceil(myNum)
console.log(myRound);
var myNum = Math.random() *5;
var myResult = Math.round(myNum)
console.log(myRound);