拼接字符串时在中间加上空格

解决：使用\xa0 (反斜杠xa零)

let date='2023-03-15',
let time='17:50'
console.log(date+'\xa0'+time) //2023-03-15 17:50
//\xa0可以叠加
console.log(date+'\xa0\xa0'+time) //2023-03-15  17:50

OK，就这样，End~