Online Access Free CRT-600 Practice Test

Refer to code below:
Function muFunction(reassign){
Let x = 1;
var y = 1;
if( reassign ) {
Let x= 2;
Var y = 2;
console.log(x);
console.log(y);}
console.log(x);
console.log(y);}
What is displayed when myFunction(true) is called?

• A.2 2 1 2
• B.2 2 undefined undefined
• C.2 2 1 1
• D.2 2 2 2

A developer has code that calculates a restaurant bill, but generates incorrect answers while testing the code:
function calculateBill ( items ) {
let total = 0;
total += findSubTotal(items);
total += addTax(total);
total += addTip(total);
return total;
}
Which option allows the developer to step into each function execution within calculateBill?

• A.Calling the console.trace (total) method on line 03.
• B.Using the debugger command on line 03
• C.Using the debugger command on line 05.
• D.Wrapping findSubtotal in a console.log() method.

Refer to the following code:
Let obj ={
Foo: 1,
Bar: 2
}
Let output =[],
for(let something in obj{
output.push(something);
}
console.log(output);
What is the output line 11?

• A.[1,2]
• B.["bar","foo"]
• C.["foo","bar"]
• D.["foo:1","bar:2"]

Considering the implications of 'use strict' on line 04, which three statements describe the execution of the code?
Choose 3 answers

• A.Line 05 throws an error.
• B.'use strict' is hoisted, so it has an effect on all lines.
• C.'use strict' has an effect between line 04 and the end of the file.
• D.'use strict' has an effect only on line 05.
• E.z is equal to 3.14.

Which two console logs output NaN?
Choose 2 answers | |

• A.console.loeg(10 / 'five');
• B.console.log(10 / 0);
• C.console.log(parseInt ' ("two')) ;
• D.console.log(10 / Number('5) ) ;