Question: Assume the sequence using dynamic scoping. NO COPYING OTHERS 1. Consider the following JavaScript-like program: var x, y, z; function sub1() { var a, Y,

Assume the sequence using dynamic scoping. NO COPYING OTHERS

Assume the sequence using dynamic scoping. NO COPYING OTHERS 1. Consider the

1. Consider the following JavaScript-like program: var x, y, z; function sub1() { var a, Y, Z; function sub2() { var a, b, 2; } } function var sub3() { a, X, W; } List all the variables, along with the program units where they are declared, that are visible in the bodies of subl, sub2, and sub3, assuming dynamic scoping is used. Assume the calling sequence is sub30) -> sub1() -> sub20. (10 points)

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