let greeting
greetign = {} // Typo!
console.log(greetign)
A: {}
B: ReferenceError: greetign is not defined
C: undefined
参考答案:
let greeting
greetign = {} // Typo!
console.log(greetign)
A: {}
B: ReferenceError: greetign is not defined
C: undefined
参考答案: