sider the following JavaScript program: var a, y, c; function sub1() { var b, z, c; function sub2() { var a, b, y; . . . }
sider the following JavaScript program: var a, y, c; function sub1() { var b, z, c; function sub2() { var a, b, y; . . . }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Concepts of
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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