WHICH OF THE FOLLOWING CODE IS MOST EFFICIENT 1237

NIELIT O Level Exam

Which of the following code is most efficient?

Code 1

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

Code 2

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

निम्नलिखित में से कौन सा कोड सबसे कुशल है?

Code 1

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

Code 2

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

A. Code 1 कोड 1

B. Code 2 कोड 2

C. Both Code 1 and Code 2 कोड 1 और कोड 2 दोनों

D. Cannot Compare तुलना नहीं कर सकते

Correct Answer is :

A. Code 1

Explanation

Code 2 is incorrect which infinite loop i.e. its never end because it increase the variable value by one and condition is >=1that never meet.

O Level Online Exam

NIELIT O Level Exam

<p>Which of the following code is most efficient?</p><pre><b>Code 1 </b><br>for(var number-10;number>=1;number--)<br>{<br>document.writeln(number);<br>}<br> <b>Code 2 </b><br>var number=10;<br>while(number>=1)<br>{<br>document.writeln(number);<br>number++<br>}</pre>

Correct Answer is :

Explanation

NIELIT O Level Exam

<p>Which of the following code is most efficient?</p><pre><b>Code 1 </b><br>for(var number-10;number&gt;=1;number--)<br>{<br>document.writeln(number);<br>}<br> <b>Code 2 </b><br>var number=10;<br>while(number&gt;=1)<br>{<br>document.writeln(number);<br>number++<br>}</pre>

Correct Answer is :

Explanation

<p>Which of the following code is most efficient?</p><pre><b>Code 1 </b><br>for(var number-10;number>=1;number--)<br>{<br>document.writeln(number);<br>}<br> <b>Code 2 </b><br>var number=10;<br>while(number>=1)<br>{<br>document.writeln(number);<br>number++<br>}</pre>