数学对象

数学对象

console.log(Math.PI)

console.log(Math.E)

console.log(Math.ceil(4.01))

console.log(Math.floor(4.999999999))

console.log(Math.sqrt(9))

console.log(Math.pow(3,3))

console.log(Math.abs(-5))

console.log(Math.round(4.4))

console.log(Math.round(4.5))

console.log(Math.random())

console.log(Math.floor(Math.random() * 10))

一道面试题:

function randInt(min, max) {

return min + Math.ceil(Math.random() * (max - min));

}

console.info(randInt(10,15))