js去除對象中的空鍵值對
let data = {
name:'zky',
age:22,
sex:'男',
face:''
}
for (const key in data) { // 去除對象內多餘的空值key
if (data[key] === '') {
delete data[key]
}
}
for in 或者for of forEach的方法看這https://blog.csdn.net/qq_46124502/article/details/106438128