Hi Alok,
Go through this below given code
<html>
<head>
<title>Java script :: Loop Assignment</title>
<style type="text/css">
body {
background: #FFFFFF;
color: #FF6;
font: 80%/160% Verdana, sans-serif;
margin: 0;
padding: 0;
text-align: center;
}
a {
color: #FFF;
font-weight: bold;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
.clear {
clear: both;
}
#header {
height: 215px;
background: #660099;
}
#content {
width: 1000px;
float: left;
margin: 10px 0 15px 40px;
}
</style>
<SCRIPT language = "JavaScript">
function w()
{
start = 1
end = 1
times = 2
answer = 0
while (end < 21 ) {
answer = start * times
document.write(" 2*"+ end +" = " + answer + "<BR>")
start++
end++
}
}
</script>
<SCRIPT language = "JavaScript">
function v()
{
times=2
counter = 0
for(start = 1,end=1 ; end < 21; start++,end++) {
counter = start * times
document.write("2* " + start + " = " + counter + "<BR>")
}
}
</script>
<SCRIPT language = "JavaScript">
function v1()
{
var num= prompt("Enter no. u want to search ")
counter = 1
while (counter <=20) {
document.write(" LOOP = " + counter + "<BR>")
if (counter == num) break
counter++
}
}
</script >
<SCRIPT language = "JavaScript">
function v3()
{
n = document.formname1.textfield1.value
for(i=n ; i>0 ; i--)
{
for(j=1 ; j<i ; j++)
document.write(j+" ");
document.write("<br />");
}
}
</script>
<SCRIPT language = "javascript">
function m1() {
score = document.frmOne.marks.value
switch (score) {
case "1":
alert("Congrats! Ur grade is Outstanding")
break
case "2":
alert("Congrats! Ur grade is Distinction")
break
case "3":
alert("Good! Ur grade is First Class")
break
case "4":
alert("Not bad! Ur grade is Second Class")
break
case "5":
alert("Have to Improve! Ur grade is Average")
break
case "6":
alert("Need Hard Work!")
break
default:
alert("undetermined")
}
}
</script>
<SCRIPT language = "javascript">
function m2() {
d = document.frmOne1.day.value
switch (d) {
case "sun":
alert("Day to enjoy")
break
case "mon":
alert("Working day starts ")
break
case "tue":
alert("Tuesday to romance ")
break
case "wed":
alert("Wednesday to chill")
break
case "thur":
alert("Thursday to have Blast")
break
case "fri":
alert("Weekend starts")
break
case "sat":
alert("Day to rock")
break
default:
alert("undetermined")
}
}
</script>
<SCRIPT language = "javascript">
function m3() {
d = document.frmOne2.day1.value
switch (d) {
case "sun":
window.location = "redirect/sun.html"
break
case "mon":
window.location = "redirect/mon.html"
break
case "tue":
window.location = "redirect/tue.html"
break
case "wed":
window.location = "redirect/wed.html"
break
case "thur":
window.location = "redirect/thu.html"
break
case "fri":
window.location = "redirect/fri.html"
break
case "sat":
window.location = "redirect/sat.html"
break
default:
alert("undetermined")
}
}
</script>
<SCRIPT Language = JavaScript>
function connc()
{
A = document.frmTwo.txtFirstNumber.value;
if(A==1 || A==21 || A==31)
t="st";
else if(A==2 || A==22)
t="nd";
else if(A==3 || A==23)
ext="rd";
else if((A>3 && A<=20) || (A>23 && A<=30))
t="th";
else
document.write(" enter correct date")
B = document.frmTwo.txtSecondNumber.value;
D = document.frmTwo.txtfourthNumber.value;
C = 'Today is' + A + t+ ' ' + B + ', '+D;
document.frmTwo.txtThirdNumber.value = C;
}
</SCRIPT>
<SCRIPT language = "JavaScript">
function v4()
{
var num= prompt("Enter no. you want to search ")
co = 1
while (co <=100) {
document.write(" LOOP = " + co + "<BR>")
if (co == num) break
co++
}
}
</script>
<SCRIPT language = "JavaScript">
function four(str)
{
var k=0;
for(i=0;i<str.length-1;i++)
{
for(j=i+1;j<str.length;j++)
{
if((str[i]==str[j]))
{
str=str.replace(str[i],"#");
str=str.replace(str[j],"#");
}
}
}
for(i=0;i<str.length;i++)
{
if(str[i]!='#')
k++;
}
document.form1.txt3.value=k;
}
</script>
<SCRIPT language = "JavaScript">
function one(num)
{
if((num<1 || num>100))
alert("plz enter a VALID number..");
else
{
j=1;
document.write("<html><head><title>new</title></head><body>");
for(j=1;j<=10;j++)
{
document.write("BOX"+j+" : ");
document.write("<input type='text' value=" +(num++)+" /><br/>");
}
document.write("</body></html>");
}
}
</script>
</head>
<body>
<div id="header" align="center"><br><br><br><h2>JavaScript Assignment</h2>
<h3>Looping Statements </h3>
</div>
<form name="form1">
<table border="0" align="center" bgcolor="#0033CC" >
<tr><td>
1. Enter a number to display its increments</td><td>:</td><td> <input type="text" name="txt1" value="" /></td><td>
<input type="button" value="Display Output" onClick="one(txt1.value)"/></td></tr>
<tr>
<td>2. Click here for Tables of 2 to 20 </td><td>:</td><td>
<INPUT TYPE = Button NAME = "b1" VALUE = "While Loop Output" onClick = w()></td>
</tr><tr><td>
Click here for Tables of 2 to 20</td><td>:</td>
<td>
<INPUT TYPE = Button NAME = "b1" VALUE = "FOR Loop Output" onClick = v()></td></tr>
<tr><td>3. Enter the number you want to search btwn 1 to 20,so that loop repeats until it finds the number you entered</td><td>:</td><td>
<INPUT TYPE = Button NAME = "b1" VALUE = "Display Output" onClick = v1()></td></tr>
<tr><td> 4.Enter a String to check</td><td>:</td><td> <input type="text" name="txt2" value="" /></td></tr>
<tr><td>
No. of Unique letters</td><td>:</td> <td><input type="text" name="txt3" size="3" value="" /></td><td>
<input type="button" value="Check" onClick="four(txt2.value)"/></td></tr>
</p>
</FORM>
<FORM NAME = formname>
<tr><td>
5.Enter value of n to display numbers in ascending order</td><td>:</td><td> <INPUT TYPE = Text NAME = textfield SIZE = 5 value =""></td>
<td>
<Input Type = Button NAME = b1 VALUE = " Done " onClick = v2()></td></tr>
</FORM>
<FORM NAME = formname1>
<tr><td>
6.Enter value of n display numbers in descending order</td><td>:</td><td> <INPUT TYPE = Text NAME = textfield1 SIZE = 5 value =""></td>
<td>
<Input Type = Button NAME = b1 VALUE = " Done " onClick = v3()></td></tr>
</FORM>
<form name=frmOne2>
<tr><td>
7.Redirectional script ,select day here</td><td> :</td><td><select name = day1>
<option value = ""></option>
<option value = "sun">SUN</option>
<option value = "mon">MON</option>
<option value = "tue">TUE</option>
<option value = "wed">WED</option>
<option value = "thur">THU</option>
<option value = "fri">FRI</option>
<option value = "sat">SAT</option>
<Input Type = Button NAME = b1 VALUE = " Display " onClick = m3()>
</select></td></tr>
</form>
<form name=frmOne>
<tr><td>
8.Select your marks to know Ur grade </td><td>:</td><td><select name = marks>
<option value = ></option>
<option value = 1>90 to 100</option>
<option value = 2>80 to 90</option>
<option value = 3>70 to 80</option>
<option value = 4>60 to 70</option>
<option value = 5>50 to 60</option>
<option value = 6>40 to 30</option>
<Input Type = Button NAME = b1 VALUE = " Grade " onClick = m1()>
</select></td></tr>
</form>
<form name=frmOne1>
<tr><td>
9.Select the day </td> <td>:</td><td><select name = day>
<option value = ""></option>
<option value = "sun">sun</option>
<option value = "mon">mon</option>
<option value = "tue">tue</option>
<option value = "wed">wed</option>
<option value = "thur">thur</option>
<option value = "fri">fri</option>
<option value = "sat">sat</option>
<Input Type = Button NAME = b1 VALUE = " Done " onClick = m2()>
</select></td></tr>
</form>
<FORM NAME = frmTwo>
<tr><td>
10.Enter the details below </td><td>:</td></tr><tr><td>
Enter date</td><td>:</td><td> <INPUT TYPE = Text size=25 NAME = txtFirstNumber SIZE = 5 value =""></td></tr>
<tr><td>
Enter month</td><td>:</td><td> <INPUT TYPE = Text size=25 NAME = txtSecondNumber SIZE = 5 value =""></td>
</tr><tr><td>
Enter year</td><td>:</td><td> <INPUT TYPE = Text size=25 NAME = txtfourthNumber SIZE = 5 value =""></td>
</tr><tr><td>
Result</td><td>:</td><td> <INPUT TYPE = Text size=37 NAME = txtThirdNumber SIZE = 5 value = ""></td>
<td>
<Input Type = Button NAME = b1 VALUE = "Submit " onClick = connc()> </td></tr>
</FORM>
<FORM NAME = formname2>
<tr><td>
11.Enter the number times you want loop to repeat </td><td>:</td><td>
<Input Type = Button NAME = b1 VALUE = " CLICK HERE TO ENTER " onClick = v4()></td></tr>
</table>
</FORM>
</div>
</body>
</html>
