Array indexes start with ______.

Consider the JavaScript code:
Identify the value that will be displayed in alert box at line 5?function lfc(myname){
console.log(10+"lfc" +12);
}
res=lfc(10);
console.log(res); //line 5

JavaScript counts positions from?

 What will be the output of the following JavaScript code?
function myfun()
{
var a = "";
document.getElementById ("demo").innerHTML = Boolean(a);
}

which operator outputs the remainder of an integer division?

The _________ keyword complicates the code and slows down execution speed

The ________ operator is used to create an instance of an object.

If var A={B:3, C:5}, how to use the delete operator to delete one of the properties of an objec

The ________ operator in JavaScript returns "object" for arrays.

A ___________ has global scope which means it can be defined anywhere in your JavaScript code.

The regular expression to match any one character not between the brackets is __________

What will be the output if we compare "ten" and 10 with less then comparison operator("ten"<10)?

 Which of the following is a syntactically correct for loop?

 _________ cannot accept negative indexes.

The statement is an example of:
while (3==3) {}

 What will be printed in the console on execution of the following JS code:
var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15];
var myArr= array.filter(v => v % 3 === 0);
console.log(myArr);

JavaScript allows you to work with __________ primitive data types.

What will be the output of the below code?
let chaval= (p)=>p+2;
console.log(chaval(2));

What is true about Arrays?

The HTML DOM is a standard object model and programming interface for HTML.

Logical AND : If both the operands are non-zero, then the condition becomes true.

What will be the output of the below code ?
console.log( typeof( '5' + 5))

When you invoke the........ method on a function f and pass an object o, the method returns a new function.

_______ extracts a part of a string and returns the extracted part in a new string.

The easiest way to add a new element to an array is using the _________ method

Which operator will return false if two value are equal?

If the operator value is null, then the unary operator returns the typeof _________.

Storing a value in a variable is called ?

What is the full form DOM?

What will be printed in the console on execution of the below code?
var materials = [
'Hydrogen',
'Helium',
'Lithium',
'Beryllium'
];
console.log(materials.map (material => material.length));