HOW TO CREATE VARIABLE IN JAVASCRIPT

 HOW TO CREATE VARIABLE IN JAVASCRIPT:-


in java script variable is to be created using 'var' keyword 


syntax:-


note:- variable can not used "" inverted couma.


VAR NAME;

ex.:-

    var city;

    var college;

    var country;


var a=10;

document.write(a);


var city="Nagpur";

document.write(city);




HOW TO DISPLAY VARIABLE DATA WITH MASSAGE:-


result is 

the value of a-10


note :- in java script using variable with massage (+) operator)


var a=10;

document.write("the value of a" + a);



HOW TO INPUT DATA FROM THE USER USING PROMPT STATMENT:-


var a;

 a=prompt("enter any number");

 document.write(1);



HOW TO DISPLAY VARIABLE VALUE INSIDE THE TAG:-


var a;

  a=prompt("enter any number");

  document.write("<h1>" + a +"</h1>");





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