Which is the function used to retrieve a value? 

Where does the external process save the result of the test?

Which of the following properties indicates the total size of the JavaScript heap?

Which of the following is the correct selector for selecting all elements of a particular class?

Which is the correct way to access a property of the following object?

var obj = {

a: 12,

b: 21

};

What will be the output of the following JavaScript code?

var arr = ["1", "1", "2", "1"];
var a = arr.lastIndexOf("1");
document.getElementById("demo").innerHTML = (a + 1);

What is the output of the following JavaScript code?

<script>

var i, t = "";

var x = {a:1, b:2, c:3};

for (i in x)

t += x[i] + " ";

document.write(t);

</script>

What is the most essential purpose of parentheses in regular expressions?

Predict the output:

let variable = function(color) {

return function (target) {

target.property = color;

}

};

@variable('Abekus is Blue')

class bb

{ }

console.log(bb.property);

The minLength property of an autocomplete widget is used to appear the list of an autocomplete widget after entering the characters which is equal to the value of minLength.