Thursday, 5 January 2023

Html Form with JavaScript (Odd Even, Sum of Sum, Addition, Reverse Number, factorial Number)

 

 JavaScript Factorial Number

<html>

<head>

<title>Form using Factorial - JavaScript </title>

<script>

function fact()

{

var n = parseInt(frm1.txt1.value);

var f=1;

for(a=1;a<=n;a++)

{

f = f*a;

}

document.writeln("Factorial = " + f);

}

</script>

</head>

<form name="frm1">

Enter Number : <input type="text" name="txt1"><br>

       <input type="button" name="btn1" value="Factorial" onClick="fact();">

</form>

</html>

____________________________

ODD EVEN NUMBER USING JAVA SCRIPT

<script>

function ifdemo()   

{

if(frm1.txt1.value%2==0)

{

document.write("This Number Is Even");

}

else

{

document.write("This Number Is Odd");

}

}

</script>

<form name=frm1>

Number 1 : <input type=text name=txt1><br>

  <input type=button name=btn1 value="Check" onClick="ifdemo();">

</form>

_____________________________

Reverse Number Printing Using JavaScript

<html>

<head>

<title> use of while loop</title>

<script languge="JavaScript">

function reverse()

{

/* Print Reverse Number */

var n = parseInt(frm1.txt1.value);

var rev=0,r;

while(n!=0)

{

r=n%10;

rev=rev*10+r;

n=Math.floor(n/10);

}

alert ("Reverse Number Is = "+rev);

}

</script>

</head>

<form name="frm1">

Enter Number : <input type="text" name="txt1"><br>

         <input type="button" name="btn1" value="Reverse" onClick="reverse();">

</form>

</html>

__________________________

Addition (SUM) Using JavaScript

<html>

<head>

<title> Use of JavaScript </title>

<script language="JavaScript">

function addition()

{

  a=parseInt(frm1.txt1.value);

b=parseInt(frm1.txt2.value);

c=a+b;

document.writeln ("Addition : " + c);

}

</script>

</head>

<form name=frm1>

    Enter Number 1 : <input type=text name=txt1><br>

    Enter Number 2 : <input type=text name=txt2><br>

                <input type=button name=btn1 value="Sum" onClick="addition();">

</form>

</html>

_______________________________

Sum of Sum Using JavaScript

<html>

<head>

<title> Do While Loop </title>

<script languge="JavaScript">

function sumofdigit()

{

/* Sum Of Digit */

var n = frm1.txt1.value;

var r,sum=0;

do

{

r=n%10;

sum=sum+r;

n=Math.floor(n/10);

}

while(n!=0);

frm1.txt2.value=sum;

}

</script>

</head>

<form name="frm1">

Enter Number : <input type="text" name="txt1" onblur="sumofdigit();"><br>

Sum Of Digit   : <input type="text" name="txt2"><br>

</form>

</html>

_______________________________

Swapping Values Using JavaScript


<script language="JavaScript">

function swap()

{

a=frm1.txt1.value; //10

frm1.txt1.value=frm1.txt2.value; //11

frm1.txt2.value=a; //10

}

</script>


<form name=frm1>

 <input type=text name=txt1><br>

 <input type=text name=txt2><br>

 <input type=button value="Swap" onClick="swap();">

</form>


____________________

learn All Programming with youtube.com/avadhtutor


















 


No comments:

Post a Comment