Among the following given JavaScript snipped codes, which is more efficient: Code Afor(var number=10;number=1;number--) { document.writeln(number); } Code Bvar number=10; while(number=1) { document.writeln(number); number++; }

Among the following given JavaScript snipped codes, which is more efficient:

Code A

for(var number=10;number=1;number--)  
{  
document.writeln(number);  
}

Code B

var number=10;  
while(number=1)  
{  
document.writeln(number);  
       number++;  
}

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