馬老師大廠老師親授技術(shù)管理課
解決方案
1. if(person.hasOwnProperty( 'name' ) || person.hasOwnProperty( 'id' )){
? ? ?return true
? }
? ?return false2. let obj = { name: 'xiaoming', age: 20, id: 123456789 }let validFileds = [ 'name', 'id' ]function validPerson( person ){
? ?return validFileds.some( (item) => {
? ? ? ?return person.hasOwnProperty( item )
? ?})}3. let obj = { name: 'xiaoming', age: 20, id: 123456789 }let validFileds = [ 'name', 'id' ]function validPerson( person ){
? ?return validFileds.some( Object.prototype.hasOwnProperty, person )}
標(biāo)簽：
