Client Side Scripting (JavaScript) 11th Information Technology Practicals Skill Set 3 Solutions Maharashtra Board
Balbharati Maharashtra State Board Class 11 Information Technology Solutions Practicals Skill Set 3 Client Side Scripting (JavaScript) Textbook Exercise Questions and Answers.
Class 11 Information Technology Practicals Skill Set 3 Exercise Solutions
SOP 1: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt functions, and control structures.
- To accept an integer and display the result by multiplying it with 3.
- To accept two integers and display a larger number of them.
- To check whether the user entered number is positive or negative.
   Answer:
   
   To accept integer and display the result by multiplying it with 3.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>To accept integer and display the result by multiplying it with 3.</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”> var a,no,ans;
   
   a=prompt(Enter any value’);
   
   no=parseInt(a);
   
   ans=no*3;
   
   document.
   
   write(“The answer is :”+ans);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
   To accept two integers and display larger number of them.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>To accept two integers and display larger number of them.</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”>
   
   var a,b;
   
   a=prompt(‘Enter first value’);
   
   b=prompt(‘Enter second value’);
   
   if(a>b)
   
   document.write(“a is large number than b “);
   
   else
   
   document. write(“b is large number than a”);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
   To check whether, user entered number is positive or negative.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>To check whether, user entered number is positive or negative</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”>
   
   var a,no;
   
   a=prompt(‘Enter any number’);
   
   no=parseInt(a);
   
   if(no>0)
   
   document.write(“Number is Positive”);
   
   else
   
   document.write(“Number is Negative”);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
SOP 2: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt functions, and control structures.
- To accept two positive or negative numbers and check whether they are equal or not.
- To accept a number and display the square of it.
- To check whether the accepted integer is multiple of 3 or multiple of 7.
   Answer:
   
   To accept two positive or negative numbers and check whether they are equal or not.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>program3</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”> var no1,no2;
   
   no1=prompt(‘Enter first number’);
   
   no2=prompt(‘Enter Second number’);
   
   if(no1==no2)
   
   document.write(“Both are equal”);
   
   else
   
   document.write(“Given numbers are not equal”);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
   To accept number and display square of it.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>To accept number and display square of it</title>
   
   </head>
   
   <body>
   
   <script language-’j avascript”>
   
   var no,sqr;
   
   no=prompt(‘Enter Any number’);
   
   sqr=no*no;
   
   document, write (“The Square is=”+sqr);
   
   </script>
   
   </body>
   
   </html>
  
    
  
   To check whether the accepted integer is multiple of 3 or multiple of 7.
   
   <!DOCTYPE html>
   
   <html>
   
   <head>
   
   <title>To check whether the accepted integer is multiple of 3 or multiple of 7.</title>
   
   </head>
   
   <body>
   
   <script language=JavaScript>
   
   var a;
   
   a=prompt(“Enter your first interger / number”);
   
   if(a%3==0 | | a%7==0)
   
   alert(“multiple of 3 or 7”);
   
   else
   
   alert(“not a multiple of 3 or 7”);
   
   </script>
   
   </body>
   
   </html>
  
    
  
SOP 3: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt string functions, and control structures.
- To accept a string and calculate its length.
- To accept a string and display it in lowercase and uppercase.
- To check whether the length of the string is 4 or greater.
   Answer:
   
   To accept a string and calculate its length.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>program8</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”>
   
   var a;
   
   a=prompt(‘Enter string’);
   
   document.write(“The length is=”+a.length);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
   To accept string and display it into lowercase and uppercase.
   
   <!DOCTYPE html>
   
   <head>
   
   <title> To accept string and display it into lowercase and uppercase</title>
   
   </head>
   
   <body>
   
   <script language=”javascript”>
   
   var a;
   
   a=prompt(‘Enter any string’);
   
   document.write(“<br>Entering Strings “+a);
   
   document.write(“<br>Lowercase=”+a.toLowerCase());
   
   document.writeln(“<br>Uppercase=”+a.toUpperCase());
   
   </script>
   
   </body>
   
   </html>
  
    
   
   To check whether the length of string is 4 or greater.
   
   <!DOCTYPE html>
   
   <html>
   
   <head>
   
   <title> JavaScript</title>
   
   </head>
   
   <body>
   
   <script language=JavaScript>
   
   var a,b;
   
   a=prompt(“Enter your text”);
   
   b=a.length;
   
   if(b=4 || b>=4)
   
   alert(‘‘your length is 4 or greater”);
   
   else
   
   alert(“your text length is below 4”);
   
   </script>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
   SOP 4: Create event-driven JavaScript programs for the following using appropriate variables, JavaScript inbuilt functions, and control structures.
   
   To accept numbers and validate if the given value is a number or not by clicking on the button.
   
    
   
   To calculate the addition and division of two numbers.
   
    
   
   Answer:
   
   To accept number and validate if the given value is a number or not by click
   
   <!DOCTYPE html>
   
   <html>
   
   <head>
   
   <title> To accept number and validate if the given value is a number or not by clicking on the button.
   
   </title>
   
   </head>
   
   <script language-’JavaScript”>
   
   function display()
   
   {
   
   var a,b;
   
   a=form1.t1;value;
   
   if(a>=0)
   
   alert(“Value is a number”+” “+a);
   
   else
   
   alert(“Value is a string”+” “+a);
   
   }
   
   </script>
   
   </head>
   
   </body>
   
   <form name=form1>
   
   Enter Value: <Input type=text name=t1><br><br>
   
   <Input type=button value=Check onClick=”display()”>
   
   </form>
   
   </body>
   
   </html>
  
    
  
    
  
    
  
    
  
   To calculate addition and division of two numbers.
   
   <!DOCTYPE html>
   
   <head>
   
   <title>To calculate addition and division of two numbers.</title>
   
   <script langauge=”javascript”>
   
   function add()
   
   {
   
   var a,b,result;
   
   a=f1.t1.value;
   
   b=f1.t2.value;
   
   result=parselnt(a)+parselnt(b);
   
   document.write(“The Addition is =”+result);
   
   }
   
   function div()
   
   {
   
   var a,b,d;
   
   a=f1.t1.value;
   
   b=f1.t2.value;
   
   d=parselnt(a)/parselnt(b);
   
   document.write(“The Divide is =”+d);
   
   }
   
   </script>
   
   </head>
   
   <body>
   
   <form name=”f1”>
   
   1st Number : <input type=”text” name=”t1”><br>
   
   2nd Number : <input type=”text” name=”t2”><br>
   
   <input type=”button” value=”Addition” name=”b1” onClick=”add()”>
   
   <input type=”button” value=”Division” name=”b2” onClick=”div()”>
   
   </form>
   
   </body>
   
   </html>
  
   