Client Side Scripting (JavaScript)

 

Client Side Scripting (JavaScript)

SOP 1: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt functions and control structures.

·        To accept integer and display the result by multiplying it with 3.

<!DOCTYPE html>

<html>

<head>

<title>SOP 1_1</title>

</head>

<body>

<script type="text/javascript">

function result()

{

var num,res=0;

num=prompt("Enter the number");

res=num*3;

document.write("Multiplication of "+num+" with 3 is : "+res);

}

</script>

</body>

</html>

·        To accept two integers and display larger number of them.

<!DOCTYPE html>

<html>

<head>

<title>SOP1_2</title>

</head>

<body>

<script type="text/javascript">

var num1,num2;

num1=prompt("Enter first number");

num2=prompt("Enter Second number");

if(num1>num2)

{

alert("Num1 is greater than num2");

}

else

{

alert("num2 is greater than num1");

}

</script>

</body>

</html>

·        To check whether, user entered number is positive or negative.

<!DOCTYPE html>

<html>

<head>

<title>SOP1_3</title>

</head>

<body>

<script type="text/javascript">

var num=prompt("Enter your number to check");

if(num>0)

{

alert("Number is Positive");

}

else

{

alert("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.

<!DOCTYPE html>

<html>

<head>

<title>SOP2_1</title>

</head>

<body>

<script type="text/javascript">

var num1,num2;

num1=prompt("Enter first integer");

num2=prompt("Enter second integer");

if(num1==num2)

{

alert("Both numbers are equal");

}

else

{

alert("Both number are not equal");

}

</script>

</body>

</html>

·        To accept number and display square of it.

<!DOCTYPE html>

<html>

<head>

<title>SOP2_2</title>

</head>

<body>

<script type="text/javascript">

var num,result;

num=prompt("Enter the number");

result=num*num;

alert("Square of "+num+" is : "+result);

</script>

</body>

</html>

·        To check whether the accepted integer is multiple of 3 or multiple of 7.

<!DOCTYPE html>

<html>

<head>

<title>SOP3_3</title>

</head>

<body>

<script type="text/javascript">

var num=prompt("Enter the number to check");

if(num%3==0 && num%7==0)

{

alert(num+" is multiple of 3 and 7");

}

else if(num%3==0)

{

alert(num+" is multiple of 3")

}

else if(num%7==0)

{

alert(num+" is multiple of 7")

}

else

{

alert(num+" is not multiple of 3 and 7");

}

</script>

</body>

</html>

SOP 3: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt functions and control structures.

·        To accept string and calculate its length.

<!DOCTYPE html>

<html>

<head>

<title>SOP3_1</title>

</head>

<body>

<script type="text/javascript">

var str=prompt("Enter string to calculate length");

var len;

alert("Length of string is :- "+str.length);

</script>

</body>

</html>

·        To accept string and display it into lowercase and uppercase.

<!DOCTYPE html>

<html>

<head>

<title>SOP3_2</title>

</head>

<body>

<script type="text/javascript">

var str,strlwr,strupr;

str=prompt("Enter your string");

strlwr=str.toLowerCase();

strupr=str.toUpperCase();

alert("String in upper case :- "+strupr);

alert("String in lower case :-"+strlwr);

</script>

</body>

</html>

·        To check whether the length of string is 4 or greater.

<!DOCTYPE html>

<html>

<head>

<title>SOP3_3</title>

</head>

<body>

<script type="text/javascript">

var str,len;

str=prompt("Enter your string");

len=str.length;

if(len==4)

{

alert("String length is equal to 4");

}

else if(len>4)

{

alert("String length is greater than 4")

}

else

{

alert("String length is less than 4");

}

</script>

</body>

</html>

SOP 4: Create a JavaScript program for the following using appropriate variables, JavaScript inbuilt functions and control structures.

·        To accept number and validate if the given value is a number or not by clicking on the button.

<!DOCTYPE html>

<html>

<head>

<title>SOP4_1</title>

</head>

<body>

<form name="f1">

Enter Value :<input type="text" name="t1"> <br><br>

<input type="button" value="Check" onclick="validate()">

</form>

<script type="text/javascript">

function validate()

{

var num=document.f1.t1.value;

if(num>=0)

{

alert("Entered value is number");

}

else

{

alert("Entered value is not a number");

}

}

</script>

</body>

</html>

·        To calculate addition and division of two numbers.

<!DOCTYPE html>

<html>

<head>

<title>SOP4_2</title>

</head>

<body>

<form name="f1">

Enter Number 1:<input type="text" name="t1"><br><br>

Enter Number 2:<input type="text" name="t2"><br><br>

<input type="button" value="Addition" onclick="add()">

<input type="button" value="Divide" onclick="div()">

</form>

<script type="text/javascript">

var a,b,c=0,d=0;

function add()

{

a=parseFloat(document.f1.t1.value);

b=parseFloat(document.f1.t2.value);

c=a+b;

alert("Addition of "+a+" and "+b+" is : "+c);

}

function div()

{

a=parseFloat(document.f1.t1.value);

b=parseFloat(document.f1.t2.value);

d=a/b;

alert("Division of "+a+" and "+b+" is : "+d);

}

</script>

</body>

</html>

 

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