console.log('typeof-int-number', typeof (1));
console.log('typeof-object-object', typeof ({}));
console.log('typeof-array-object', typeof ([]));
console.log('typeof-null-object', typeof (null));
console.log('typeof-empty-string', typeof (''));
console.log('typeof-undefined-undefined', typeof (undefined));
文档更新时间: 2022-11-18 15:30 作者:admin