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Author: krishnasai21

10-Day of JavaScript/Day_1(b)_Functions.js

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+'use strict';
+
+process.stdin.resume();
+process.stdin.setEncoding('utf-8');
+
+let inputString = '';
+let currentLine = 0;
+
+process.stdin.on('data', inputStdin => {
+    inputString += inputStdin;
+});
+
+process.stdin.on('end', _ => {
+    inputString = inputString.trim().split('\n').map(string => {
+        return string.trim();
+    });
+    
+    main();    
+});
+
+function readLine() {
+    return inputString[currentLine++];
+}
+/*
+ * Create the function factorial here
+ */
+function factorial(n){
+    let result = 1;
+    for (var i=1; i<=n; ++i){
+        result *=i;
+    }
+    return result;
+}
+
+function main() {
+    const n = +(readLine());
+    
+    console.log(factorial(n));
+}