Question: 11.Prior to ECMAScript 5, what would happen if you declared a variable named firstName and then later refered to it as firstname? a. Firstname would

11.Prior to ECMAScript 5, what would happen if you declared a variable named firstName and then later refered to it as firstname?

a. Firstname would be treated as a new local variable

b. Firstname would be treated as a new global variable

c.The JavaScript engine would throw an arror

d. The JavaScript enggine would automatically correct the error

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