interview question

Q: const list = [1,2,3,4]
const guestList = ([x, …y]) =>{
return (x,y);
};
console.log(guestList(list));

Ans: [2,3,4] because javascript return only one element.

Q: user ={name:"test", age:21}
const guest =(user.name, user.age);
console.log(guest(user));

Ans: error because guest is not a function
but if console.log(guest);
Then give 21 because javascript return only one element.

let person = [1,2,3];
const members = (person);
person = [{name:"jahan"}];

console.log(members);
console.log(person);

Q. data type in javascript?
Ans: string, number, boolean, object, undefine, null,
Q. primitive and non primitive data type in java script?
Q.

vbvb

vbvb

vbvb

Ans:

vbvb

hghgh

hjkhjk

uske upper wrapper class main flex property add kar denge.

Q. vbvb
vbvb
vbvb
display flex se kaise isko ek hi column main rakhege?

Ans: vbvb
vbvb
vbvb

Q.

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javascript se kaise abc class ko xyz class change karege?
Q. web application in html?
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Q. css3 properties?
Q.