A to Z Exams

Variable can hold ________ value at a time

We can declare ___________ at a time. Select most appropriate option.

We can declare all type of variables in JavaScript with the keyword _____________.

Spaces,Punctuation marks are called as __________ Symbols in JavaScript.

Which JavaScript variable cannot be used as First character but can be use after first character ?

Java Script Variable should be Case ___________.

var num; Above Statement is called as __________ Statement.

var num=20; Above Statement is called as __________ Statement. Select all the appropriate options.

Integer Variable is declared using following syntax in JavaScript.

Variable name contain following type of characters -1. Alphabet2. Digits3. Underscore4. Special ChractersSelect the correct option.

Initialization of variable can be done by writing _____ operator in between variable name and operand value.

Multiple Declarations of variables are separated by ___________ symbol

Underscore can be used as first letter while declaring variable in JavaScript.

var var1 = "Pritesh"; Above variable can store value of type.

var x = 5; var y = 6; var z = 5 + 6; document.write(x + ""); document.write(y + ""); document.write(z + ""); Guess output of the following code.

var x = "5"; var y = 6; var z = x + y; document.write(x + ""); document.write(y + ""); document.write(z + ""); Guess output of the following code.

Variable declared without a value will have the value ______________.Eg. var num;  

var num1 = 1; var num2 = 1; var num3 = "1" + num1 + num2; document.write(num1 + ""); document.write(num2 + ""); document.write(num3 + ""); Guess output of the following code.

var x = 12.45; var y = 1; var z = '8' + x + y; document.write(z + ""); Value of Z is

var name = "John Doe"; var name = 123; document.write(name + ""); Is it possible to change the type of value after re-assignment.

Is it necessary to use "var" keyword while declaring variable.

When you assign a text value to a variable, we put text value in the pair of _________.

Non Initialized Variable have value "undefine", What value be printed in following case. var carname="Volvo"; var carname;  

What will be the value of Variable - "num3" ? var num1; var num2 = 10; var num3 = num1 + num2;  

var x = 5; var y = 6; document.write((x + y) + ""); What will be the output of the following code ?

Variable declared inside JavaScript Function will be called as ____________.

Vriables declared inside function are visible _______________.

Local Variables are destroyed after execution of function.

function message() { var name = "Pritesh"; alert(name); } Variable declared above is example of ___________ Variable.

Variable declared outside JavaScript Function is called as _______________ .