Dear candidates you will find MCQ questions of JavaScript here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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let s = "00000001111111";
let l = 0, r = s.length - 1, ans = -1;
while(l <= r) {
var mid = Math.floor((l + r) / 2);
if(s[mid] == '1') {
ans = mid;
r = mid - 1;
}
else {
l = mid + 1;
}
}
print(ans);
let a = [1, 2, 3, 4, 5, 6];
var left = 0, right = 5;
var found = false;
var target = 5;
while(left <= right) {
var mid = Math.floor((left + right) / 2);
if(a[mid] == target) {
found = true;
break;
}
else if(a[mid] < target) {
left = mid + 1;
}
else {
right = mid - 1;
}
}
if(found) {
print("YES");
}
else {
print("NO");
}
const example = ({ a, b, c }) => {
console.log(a, b, c);
};
example(0, 1, 2);
const set = new Set();
set.add(5);
set.add('Hello');
set.add({ name: 'Scaler' });
for (let item of set) {
console.log(item + 6);
}
var a = "hello";
var sum = 0;
for(var i = 0; i < a.length; i++) {
sum += (a[i] - 'a');
}
print(sum);