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What is returned by the function call on line 13?
Refer to the following code:
function test (val) {
If (val === undefined) {
return ‘Undefined values!’ ;
}
if (val === null) {
return ‘Null value! ’;
}
return val;
}
Let x;
test(x);
What is returned by the function call on line 13?
A . Undefined
B . Line 13 throws an error.
C . ‘Undefined values!’
D . ‘Null value!’
Answer: C
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