Jumat, 29 Mei 2009

Symple JAVASCRIPT PROGRAM











Ni Scriptnya....

<script language="javascript">
var a=12;
var b=4;
function pd2(b)
{var a=b*2;
return a;}
document.write("Dua kali dari ",b," adalah ",pd2(b));
document.write("Nilai dari a adalah", a);
</script>












Ni Scriptnya....

<script language="javascript">
var a=12;
var b=4;
function pd2(b)
{a=b*2;return a;}document.write("Dua kali dari ",b," adalah ",pd2(b));
document.write("Nilai dari a adalah", a);
</script>
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Selasa, 12 Mei 2009

JAWABAN SOAL "CALCULATOR"

soal-soal javascript calculator

1. Apa nama title skrip javascript tersebut ?

Jawab :<span>calculator smaneka</span>

2. ekstensi file Skrip tersebut disimpan dengan file ber-ekstensi jenis ?

Jawab : *htm

3. berapa jumlah variabel yang didefinisikan dalam file tersebut !

Jawab : 11

4. Berapa jumlah fungsi yang ada didalam skrip tersebut !

Jawab : 11

5. Tuliskan nama semua variabel skrip javascript tersebut ?

Jawab :

var minussign = ' - ';

var multiplysign = ' * ';

var dividesign = ' / ';

var decimalsign = ' . ';

var negativesign = ' -';

var leftbracket = ' (';

var rightbracket = ') ';

var rad = 3.141592654 / 180;

var base_10 = Math.LN10;

var base_2 = Math.LN10;

6. Tuliskan nama semua fungsi skrip tersebut ?

Jawab :

function calculate(arg) {

arg.expr.value = eval(arg.expr.value)

}

function enter(arg, string) {

arg.expr.value += string

}

function clear_display(arg) {

arg.expr.value = ' '

}

function calc_sqrt(form) {

form.expr.value = (Math.sqrt(form.expr.value))

}

function calc_sqr(form) {

form.expr.value = ((form.expr.value * 1) * (form.expr.value * 1))

}

function sin_form(form) {

form.expr.value = (Math.sin (form.expr.value * rad))

}

function cos_form(form) {

form.expr.value = (Math.cos (form.expr.value * rad))

}

function tan_form(form) {

form.expr.value = (Math.tan(form.expr.value * rad))

}

function inverse(form) {

form.expr.value = ( 1 / (form.expr.value))

}

function base10_log(form) {

form.expr.value = (Math.log(form.expr.value) / base_10)

}

function base2_log(form) {

form.expr.value = (Math.log(form.expr.value) / base_2)

}

7. Tuliskan skrip untuk membuat tampilan display pada skrip tersebut !

Jawab :

<tr>

<td colspan="5" width="100%"><input name="expr" size="35" action="calculate(this.form)" type="text"></td>

</tr>

8. Tuliskan skrip untuk membuat 1 tombol !

Jawab :

<tr><td width="20%"><input value=" sin " onclick="sin_form(this.form)" type="button"></td>

function sin_form(form) {

form.expr.value = (Math.sin (form.expr.value * rad))

}

9. Tuliskan fungsi jika tombol = ditekan oleh mouse !

Jawab : Onclick="sin_form(this.form)

10. Tuliskan skrip untuk membersihkan display !

Jawab :

<td colspan="2" width="40%"><input value=" C " onclick="clear_display(this.form)" type="button"></td>

function clear_display(arg) {

arg.expr.value = ' '

}

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CALCULATOR PROGRAM















NIEE SCRIPTNYA...

<html>

<head>
<title>JS - Calculator</title>

<script language="Javascript">
<!--
/* Variable */
var plussign = ' + ';
var minussign = ' - ';
var multiplysign = ' * ';
var dividesign = ' / ';
var decimalsign = ' . ';
var negativesign = ' -';
var leftbracket = ' (';
var rightbracket = ') ';
var rad = 3.141592654 / 180;
var base_10 = Math.LN10;
var base_2 = Math.LN10;

/* Yup...Mulai */
function calculate(arg) {
arg.expr.value = eval(arg.expr.value)
}

function enter(arg, string) {
arg.expr.value += string
}

function clear_display(arg) {
arg.expr.value = ' '
}

function calc_sqrt(form) {
form.expr.value = (Math.sqrt(form.expr.value))
}

function calc_sqr(form) {
form.expr.value = ((form.expr.value * 1) * (form.expr.value * 1))
}

function sin_form(form) {
form.expr.value = (Math.sin (form.expr.value * rad))
}

function cos_form(form) {
form.expr.value = (Math.cos (form.expr.value * rad))
}

function tan_form(form) {
form.expr.value = (Math.tan(form.expr.value * rad))
}

function inverse(form) {
form.expr.value = ( 1 / (form.expr.value))
}

function base10_log(form) {
form.expr.value = (Math.log(form.expr.value) / base_10)
}

function base2_log(form) {
form.expr.value = (Math.log(form.expr.value) / base_2)
}
//-->
</script>

</head>

<body>
<p align="center"><big><big>JavaScript - Calculator SMANEKA</big></big></p>
<form>
<!-- Rechner Beginn -->
<table border="0" width="100" bgcolor="#CCCCCC" align="center">
<tr>
<td width="100%" colspan="5"><input type="text" name="expr" size="35"
action="calculate(this.form)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" sin " Onclick="sin_form(this.form)"></td>
<td width="20%"><input type="button" value=" cos " OnClick="cos_form(this.form)"></td>
<td width="20%"><input type="button" value=" tan " Onclick="tan_form(this.form)"></td>
<td width="20%"><input type="button" value="log10e" onClick="base10_log(this.form)"></td>
<td width="20%"><input type="button" value=" log2e " OnClick="base2_log(this.form)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" Sqrt " Onclick="calc_sqrt(this.form)"></td>
<td width="20%"><input type="button" value=" Sqr " OnClick="calc_sqr(this.form)"></td>
<td width="20%"><input type="button" value=" ( " OnClick="enter(this.form,
leftbracket)"></td>
<td width="20%"><input type="button" value=" ) " OnClick="enter(this.form,
rightbracket)"></td>
<td width="20%"><input type="button" value=" 1 / X " OnClick="inverse(this.form)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" 7 " onClick="enter(this.form, 7)"></td>
<td width="20%"><input type="button" value=" 8 " onClick="enter(this.form, 8)"></td>
<td width="20%"><input type="button" value=" 9 " onClick="enter(this.form, 9)"></td>
<td width="40%" colspan="2"><input type="button" value=" C " onClick="clear_display(this.form)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" 4 " onClick="enter(this.form, 4)"></td>
<td width="20%"><input type="button" value=" 5 " onClick="enter(this.form, 5)"></td>
<td width="20%"><input type="button" value=" 6 " onClick="enter(this.form, 6)"></td>
<td width="20%"><input type="button" value=" * " onClick="enter(this.form,
multiplysign)"> </td>
<td width="20%"> <input type="button" value=" / " onClick="enter(this.form,
dividesign)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" 1 " onclick="enter(this.form, 1)"></td>
<td width="20%"><input type="button" value=" 2 " onclick="enter(this.form, 2)"></td>
<td width="20%"><input type="button" value=" 3 " onclick="enter(this.form, 3)"></td>
<td width="20%"><input type="button" value=" + " onClick="enter(this.form,
plussign)"> </td>
<td width="20%"> <input type="button" value=" - " onClick="enter(this.form,
minussign)">
</td>
</tr>
<tr>
<td width="20%"><input type="button" value=" 0 " onClick="enter(this.form, 0)"></td>
<td width="20%"><input type="button" value=" . " onClick="enter(this.form,
decimalsign)"></td>
<td width="20%"><input type="button" value=" neg " onClick="enter(this.form,
negativesign)"></td>
<td width="40%" colspan="2"><input type="button" value=" = " onClick="calculate(this.form)"></td>
</tr>
</table>
<!-- Bisa... -->
</form>
</body>

</html>
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JAVASCRIPT PROGRAM


















NIIEE SCRIPTNYE....

<html>
<body>

<script language="JavaScript">

function chkuname()
{
uname=new String();
uname=document.regis.uname.value
if ( uname.length == 0 )
{
alert ("Enter a User Name");
}
else
{
chkupass()
}
}

function chkupass()
{
upass=new String();
upass=document.regis.upass.value
if (upass.length < 5)
{
alert ("Password Must be atleast 6 Chars");
}
else
{
chkname()
}
}

function chkname()
{
var ch=0;
name=new String();
name=document.regis.name.value;

if (name.length==0)
alert ("Enter your Name")
else
{
u=0;
for (i=0;i<name.length;i++)
{
if ((name.charCodeAt(i) >= 64 && name.charCodeAt(i) <= 90)||(name.charCodeAt(i) >= 97 && name.charCodeAt(i) <= 122)||(name.charCodeAt(i)==46)||(name.charCodeAt(i)==32))
{
}
else
{
u=u+1;
}
}
if (u&gt0)
{
alert ("Invalid Name");
}
else
{
chkdob()
}
}
}

function chkdob()
{
dob=new String();

dob=document.regis.dob.value
if (dob.length!=10)
alert ("Invalid Date")
else
{
if (dob.charAt(2)!="/" && dob.charAt(5)!="/")
alert ("Invalid Date Format")
else
tempstr=dob.split("/")
dd=tempstr[0]
mm=tempstr[1]
yy=tempstr[2]
if (dd>=1 && dd<=31 && mm>=1 && mm<=12 && yy>=1900 && yy<=2004 )
{
chkemail()
}
else
alert ("Enter Valid date")
}
}

function chkemail()
{
mail=new String();
mail=document.regis.email.value

if (mail.length<1)
alert("Please enter e-mail address.");
else
{
at_pos=mail.indexOf("@")
dot_pos=mail.indexOf(".")
if(at_pos<1 || dot_pos<1)
alert("Missing '@' and '.' in email address.")

else
{
u=0;
p=0;
for(var i=0;i<mail.length;i++)
{
if ((mail.charCodeAt(i) >= 64 && mail.charCodeAt(i) <= 90)||(mail.charCodeAt(i) >= 97 && mail.charCodeAt(i) <= 122)||(mail.charCodeAt(i) >= 48 && mail.charCodeAt(i) <= 57)||(mail.charCodeAt(i)==95)||(mail.charCodeAt(i)==46))
{
if(mail.charAt(i)=="@")
p=p+1
}
else
{
u=u+1
}
}
if (p&gt1)
alert ("Email must have only one '@'")
if (u&gt0)
alert ("Special Characters are not allowed")
}
}
}

</script>

<form name="regis">
User Name : <input type="text" name="uname" size="20">
<br>
Password : <input type="password" name="upass" size="20">
<br>
Name : <input type="text" name="name" size="20">
<br>
DOB (DD/MM/YYYY): <input type="text" name="dob" size="8">
<br>
Email : <input type="text" name="email" size="20">
<br>
<input type="button" value="Submit" onclick="chkuname()" name="sub">
</form>
</body>
</html>

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