What will be the output of the following JavaScript code?
var grade=’E’;
var result;
switch(grade)
{
case ‘A’:
result+=”10″;
case ‘B’:
result+=” 9″;
case ‘C’:
result+=” 8″;
default:
result+=” 0″;
}
document.write(result);
a) 10
b) 0
c) 18
d) 17
Answer: b
Explanation: The switch case contains a default case along with the other cases. The default case gets executed when no other case results into true.
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