c: Concepts of programming Language 4. a) Consider the following JavaScript program: var a, y, c; function sub1() { var b, z, c; function sub2() { var a, b, y;
c: Concepts of programming Language 4. a) Consider the following JavaScript program: var a, y, c; function sub1() { var b, z, c; function sub2() { var a, b, y;
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter6: Modularity Using Functions
Section6.1: Function And Parameter Declarations
Problem 11E
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Question
Topic: Concepts of
4. a) Consider the following JavaScript program:
var a, y, c;
function sub1() {
var b, z, c;
function sub2() {
var a, b, y;
. . .
}
. . .
}
function sub3() {
var a, x, w;
. . .
}
List all the variables, along with the program units where they are declared,
that are visible in the bodies of sub2 when the sequence of function call is:
“sub1 calls sub3 and sub3 calls sub2”, assuming dynamic scoping is used.
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