Welcome to the Basics of JavaScript MCQs Page
Dive deep into the fascinating world of Basics of JavaScript with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Basics of JavaScript, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Basics of JavaScript, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within JavaScript.
Check out the MCQs below to embark on an enriching journey through Basics of JavaScript. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of JavaScript.
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Basics of JavaScript MCQs | Page 4 of 7
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var a=5 , b=1
var obj = { a : 10 }
with(obj)
{
alert(b)
}Code 1 :
for(var num=10;num>=1;num--)
{
document.writeln(num);
}
Code 2 :
var num=10;
while(num>=1)
{
document.writeln(num);
num++;
}switch(expression)
{
statements
}
In the above switch syntax, the expression is compared with the case labels using which of the following operator(s) ?
var count = 0;
while (count < 10)
{
console.log(count);
count++;
}
In the above code snippet, what happens?
function printArray(a)
{
var len = a.length, i = 0;
if (len == 0)
console.log("Empty Array");
else
{
do
{
console.log(a[i]);
} while (++i < len);
}
}Suggested Topics
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