Question: 6. Consider the following JavaScript skeletal program: Assume that the execution of this program is in the following unit order: main calls subl subl calls

6. Consider the following JavaScript skeletal program: Assume that the execution of this program is in the following unit order: main calls subl subl calls sub2 sub2 calls sub3 /I The main program var x; function subl)t var xi tunction sub20 tunction sub3) Assuming static scoping, in the following, which dec- laration of x is the correct one for a reference to x? i. subl ii. sub2 ili. sub3 Repeat part a, but assume dynamic scoping. a. b

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