去除对象中值为空的项

let params = {
    appNo:'202308181542',
    name: 'Sparrow',
    startTime: '12:12:12',
    endTime: '23:23:23',
    sysNo: ''
}
let newObj = { ...params }
for(let key in newObj) {
    if(newObj[key] === '') {
        delete newObj[key]
    }
}
console.log('newObj',newObj)