Consider the following Script “script.js” embedded in an HTML document, “index.html” and an external script “app.js” given below. Filename: index.html Filename: script.js function loadScript(src, cbf){ let script = document.createElement('script'); script.src = src; script.onload = () => cbf(); document.head.append(script); } let cbf = function(){ console.log("callback function executed here."); extFunc() } loadScript("./support_m6.js", cbf) extFunc() Filename: app.js console.log("Now I am loaded, let's support") function extFunc(){ console.log("loaded and run from external script") } What will be the output on console, if the HTML document is rendered using a browser?

(D) Option figure from the original question paper

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(C) Option figure from the original question paper

Modern Application Development II · End Term · 28 Apr 2024 · January 2024 term

Question 25: Consider the following Script “script.js” embedded in an…

Question 25

+4.5 marksOne correct option

Consider the following Script “script.js” embedded in an HTML document, “index.html” and an external script “app.js” given below.

Filename: index.html

html

1<html lang="en">
2<head></head>
3<body>
4    <script src="./script.js"></script>
5</body>
6</html>

Filename: script.js

javascript

1function loadScript(src, cbf){
2    let script = document.createElement('script');
3    script.src = src;
4    script.onload = () => cbf();
5    document.head.append(script);
6}
7
8let cbf = function(){
9    console.log("callback function executed here.");
10    extFunc()
11}
12
13loadScript("./support_m6.js", cbf)
14extFunc()

Filename: app.js

javascript

1console.log("Now I am loaded, let's support")
2
3function extFunc(){
4    console.log("loaded and run from external script")
5}

What will be the output on console, if the HTML document is rendered using a browser?

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Question 25 of 32 in the IIT Madras BS Modern Application Development II (MAD 2) End Term paper sat on 28 Apr 2024, in the January 2024 term (IIT M FOUNDATION DIPLOMA AN EXAM QDF3 28 Apr 2024). It carries 4.5 marks.

Question 25: Consider the following Script “script.js” embedded in an…

Question 25

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