console 命令行工具 X clear

console

function printAnimalDetail({ name, type, gender } = {}) {
    if (!type) return '没有类型'
    if (!name) return '没有名字'
    if (!gender) return '没有性别'
    return `${name} 是一只 ${gender}${type}`
}

console.log(printAnimalDetail())
console.log(printAnimalDetail({ name: '胖虎', gender: 1 }))
console.log(printAnimalDetail({ name: '胖虎', type: '狗', gender: '公' }))

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=, initial-scale=">
	<meta http-equiv="X-UA-Compatible" content="">
	<title>提前退出,提前返回</title>
</head>
<body>
	
</body>
</html>