Question 1 (1 point) try { adddlert(Welcome JavaScript!); } catch(err) { document.getElementById(WEBT2300).innerHTML = err.message; } What is the output of the above code? Question 1

Question 1 (1 point)

What is the output of the above code?

Question 1 options:

	Welcome JavaScript!
	adddlert is not defined
	WEBT2300
	Welcome JavaScript! WEBT2300

Question 2 (1 point)

var num = 1;

try {

num.toPrecision(50);

}

catch(err) {

document.getElementById("demo").innerHTML = err.name;

}

Assume that the above is in a script of an html file.

What is the output of the above?

Question 2 options:

	1
	rangeError
	50
	no output

Question 3 (1 point)

var x=1; var y=1;

try {

x = y * x;

}

catch(err) {

document.getElementById("WEBT2300").innerHTML = err.name;

}

Assume that the above is in the script of an html code.

Question 3 options:

	1
	ReferenceError
	nothing
	0

Question 4 (1 point)

Will:

console.log(String.fromCharCode(65))

print

'A'

Question 4 options:

	True
	False

Question 5 (1 point)

Assume that:

var x = new String("John"); var y = new String("John");

What would be the result of :

(x == y)

var x1 = "John"; var y1 = "John";

What would be the result of :

(x1 == y1)

Question 5 options:

	true true
	false true
	false false
	true false

Question 6 (1 point)

What is the output of the above code?

Question 6 options:

	nothing
	NaN
	ReferenceError
	0

Question 7 (1 point)

What is the output of the above script.

Question 7 options:

	nothing
	ReferenceError
	0
	SyntaxError
	JavaScript

Question 8 (1 point)

what is the return value of

"SELECT".substring(0, 5)?

Question 8 options:

	"SELEC"
	"SELE"
	"ELECT"
	"SELECT"

Question 9 (1 point)

what is the output of the above script?

Question 9 options:

	SyntaxError
	Illegal expression
	100
	TypeError
	ReferenceError

Question 10 (1 point)

Question 10 options:

	SyntaxError
	TypeError
	ReferenceError
	URIError

Question 11 (1 point)

"unhappy".substring(2)

returns

'happy'

Question 11 options:

	True
	False

Question 12 (1 point)

We want to examine the input we read. If the value is wrong, an exception (err) is thrown. The exception (err) is caught by the catch statement and a custom error message is displayed according to:

a- If the value entered is a number throw 'not a character" b- if the value read smaller than e return 'smaller than e'. c- if the value read greater than m return 'greater than m'.

Replace a-,b-,c- with the below statements.

Please input a letter between 'e' and 'm':

Question 12 options:

	if(isNaN(x)) throw "not a character"; if(x > 'd') throw "too low"; if(x < 'm') throw "too high";
	if(Number(x)) throw "not a character"; if(x < 'd') throw "too low"; if(x > 'm') throw "too high";
	if(!Number(x)) throw "not a character"; if(x > 'd') throw "too low"; if(x < 'm') throw "too high";
	if(!isNaN(x)) throw "not a character"; if(x < 'd') throw "too low"; if(x > 'm') throw "too high";

Question 13 (1 point)

My First Web Page

We want to activate the debugger in the browser to get an output.

Give the actual steps to get an output and the actual output.

Question 13 options:

	debugging error
	30
	F12 error
	F12 Console 30

Question 14 (1 point)

Provide the output of the code

Question 14 options:

	59
	debugging error
	nothing