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?
Undefined
Line 13 throws an error.
‘Undefined values!’
‘Null value!’
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