onsider the following JavaScript skeletal program: //The main program var x; function sub1() { var x; function sub2() { . . .     } } function sub3() { . . . } Assuming Static scoping, which declaration of x will be used in the following functions:  a) sub1()

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
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Consider the following JavaScript skeletal program:

//The main program

var x;

function sub1() {

var x;

function sub2() {

. . .

    }

}

function sub3() {

. . .

}

Assuming Static scoping, which declaration of x will be used in
the following functions:
 a) sub1()
 b) sub2()
 c) sub3()

You can consider the first declaration of x as x1 and the second as x2

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