Please help me to better understand the code/program by adding comments --------- const prompt = require('prompt-sync')(); //Print menu console.log("1: String Concatenation") console.log("2: String Comparison") console.log("3: Fibonacci Sequence") console.log("4: Floyd Triangle") console.log("5: Quit") //User input var n = prompt("Choose one: "); //Compare choice and perform required operation switch (n) { case '1': var string1 = prompt("Enter the first string: "); var string2 = prompt("Enter the second string: "); console.log(string1 + string2); break; case '2': var string1 = prompt("Enter the first string: "); var string2 = prompt("Enter the second string: "); if (string1 == string2) { console.log("The strings are equal"); } else { console.log("The strings are not equal"); } break; case '3': var n = prompt("Enter the number of terms: "); var a = 0; var b = 1; var c; console.log("The Fibonacci sequence is: "); console.log(a); console.log(b); for (i = 2; i < n; i++) { c = a + b; a = b; b = c; console.log(c); } break; case '4': var n = prompt("Enter the number of rows: "); var num = 1; console.log("The Floyd triangle is: "); for (i = 1; i <= n; i++) { for (j = 1; j <= i; j++) { process.stdout.write(num + " "); num++; } process.stdout.write("\n"); } break; case '5': console.log("Thank you!"); break; default: console.log("Invalid input"); }
Please help me to better understand the code/program by adding comments --------- const prompt = require('prompt-sync')(); //Print menu console.log("1: String Concatenation") console.log("2: String Comparison") console.log("3: Fibonacci Sequence") console.log("4: Floyd Triangle") console.log("5: Quit") //User input var n = prompt("Choose one: "); //Compare choice and perform required operation switch (n) { case '1': var string1 = prompt("Enter the first string: "); var string2 = prompt("Enter the second string: "); console.log(string1 + string2); break; case '2': var string1 = prompt("Enter the first string: "); var string2 = prompt("Enter the second string: "); if (string1 == string2) { console.log("The strings are equal"); } else { console.log("The strings are not equal"); } break; case '3': var n = prompt("Enter the number of terms: "); var a = 0; var b = 1; var c; console.log("The Fibonacci sequence is: "); console.log(a); console.log(b); for (i = 2; i < n; i++) { c = a + b; a = b; b = c; console.log(c); } break; case '4': var n = prompt("Enter the number of rows: "); var num = 1; console.log("The Floyd triangle is: "); for (i = 1; i <= n; i++) { for (j = 1; j <= i; j++) { process.stdout.write(num + " "); num++; } process.stdout.write("\n"); } break; case '5': console.log("Thank you!"); break; default: console.log("Invalid input"); }
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
100%
Please help me to better understand the code/program by adding comments
---------
const prompt = require('prompt-sync')();
//Print menu
console.log("1: String Concatenation")
console.log("2: String Comparison")
console.log("3: Fibonacci Sequence")
console.log("4: Floyd Triangle")
console.log("5: Quit")
//User input
var n = prompt("Choose one: ");
//Compare choice and perform required operation
switch (n) {
case '1':
var string1 = prompt("Enter the first string: ");
var string2 = prompt("Enter the second string: ");
console.log(string1 + string2);
break;
case '2':
var string1 = prompt("Enter the first string: ");
var string2 = prompt("Enter the second string: ");
if (string1 == string2) {
console.log("The strings are equal");
} else {
console.log("The strings are not equal");
}
break;
case '3':
var n = prompt("Enter the number of terms: ");
var a = 0;
var b = 1;
var c;
console.log("The Fibonacci sequence is: ");
console.log(a);
console.log(b);
for (i = 2; i < n; i++) {
c = a + b;
a = b;
b = c;
console.log(c);
}
break;
case '4':
var n = prompt("Enter the number of rows: ");
var num = 1;
console.log("The Floyd triangle is: ");
for (i = 1; i <= n; i++) {
for (j = 1; j <= i; j++) {
process.stdout.write(num + " ");
num++;
}
process.stdout.write("\n");
}
break;
case '5':
console.log("Thank you!");
break;
default:
console.log("Invalid input");
}
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