1000+ JavaScript MCQ for SSC CGL [Solved]

function printprops(o)
{
for(var p in o)
console.log(p + : + o[p] +
);
}

var c = counter(), d = counter();
c.count()
d.count()
c.reset()
c.count()
d.count()

var obj=
{
length:20,
height:35,
}
if (breadth' in obj === false)
{
obj.breadth = 12;
}
console.log(obj.breadth);

var a = [];
a.unshift(1);
a.unshift(22);
a.shift();
a.unshift(3,[4,5]);
a.shift();
a.shift();
a.shift();

var a=5 , b=1
var obj = { a : 10 }
with(obj)
{
alert(b)
}

<script>
document.getElementById("demo").innerHTML = typeof "John"
</script>

int a==2;
int b=4;
int ans=a+b;
print(ans);

function compare()
{
int a=1;
char b=1;
if(a.tostring()===b)
return true;
else
return false;
}

<script>
var x = 10;
x *= 5;
document.getElementById("demo").innerHTML = x;
</script>

int a=1;
if(a!=null)
return 1;
else
return 0;

function equalto()
{
int num=10;
if(num===10)
return true;
else
return false;
}

var count = 0;
while (count < 10)
{
console.log(count);
count++;
}

while (a != 0)
{
if (a == 1)
continue;
else
a++;
}

var a=3.7;
var b=2;
a=ciel(a)
document.writeIn(a*b);

function f(o)
{
if (o === undefined) debugger;
}

int a=4;
int b=1;
int c=0;
If(a==b)
document.write(a);
else if(a==c)
document.write(a);
else
document.write(c);

const obj1 = { property1: '10'};
const obj2 = Object.freeze(obj1);
obj2.property1 = '20';
console.log(obj2.property1);

const obj1 =
{
property1: 21
}
const descriptor1 = Object.getOwnPropertyDescriptor(obj1, 'property1');
console.log(descriptor1.configurable);
console.log(descriptor1.enumerable);

switch(expression)
{
statements
}

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);
}
}

var count = [1,,3];

function compare()
{
int num=2;
char b=2;
if(a==b)
return true;
else
return false;
}

var o = new Object();

var a1 = [,,,];
var a2 = new Array(3);
0 in a1
0 in a2

for(var p in o)
console.log(o[p]);

const object1 = {};
a = Symbol('a');
b = Symbol.for('b');
object1[a] = 'harry';
object1[b] = 'derry';
const objectSymbols = Object.getOwnPropertySymbols(object1);
console.log(objectSymbols.length);

string a = hi;
string b =there;
alert(a+b);