<html>
<head>
<title>my calculator</title>
<script language="Javascript">
<!--
/* Variablen definieren */
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;
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>ijiran canggih</big></big></p>
<form>
<!-- Yup, Mulai -->
<table border="0" width="100" bgcolor="blue" align="center">
<tr>
<td width="100%" colspan="5" align="center"><input type="text" name="expr" size="35"
action="calculate(this.form)"></td>
</tr>
<tr>
<td width="100%" colspan="5" align="center">calculator canggih</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=" log 10e " onClick="base10_log(this.form)"></td>
<td width="20%"><input type="button" value=" log 2e " OnClick="base2_log(this.form)"></td>
</tr>
<tr>
<td width="20%"><input type="button" value=" akar " Onclick="calc_sqrt(this.form)"></td>
<td width="20%"><input type="button" value=" ^2 " 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="20%"><input type="button" value=" bagi " onClick="enter(this.form,dividesign)"></td>
<td width="20%"><input type="button" value=" %(rusak) " onClick="enter(this.form,Percentbuttonsign)"></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=" kali " onClick="enter(this.form, multiplysign)"> </td>
<td width="20%"> <input type="button" value=" Hapus " onClick="clear_display(this.form)"></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=" plus " onClick="enter(this.form,plussign)"> </td>
<td width="20%"><input type="button" value=" hasil " onClick="calculate(this.form)">
</td>
</tr>
<tr>
<td width="20%"><input type="button" value=" 0 " onClick="enter(this.form, 0)"></td>
<td width="20%"><input type="button" value=" koma " onClick="enter(this.form,decimalsign)"></td>
<td width="20%"><input type="button" value=" (-) " onClick="enter(this.form,negativesign)"></td>
<td width="40%" colspan="2"> <input type="button" value=" min " onClick="enter(this.form,minussign)"></td>
</tr>
</table>
<!-- gombil... -->
</form>
</body>
</html>
Tugas N Jawaban Posting Calculator
1. Apa nama title skrip javascript tersebut ?
TitLenya :my calculator
2. ekstensi file Skrip tersebut disimpan dengan file ber-ekstensi jenis ?
Skrip tersebut disimpan dengan file berekstensi jenis HTML (*.html)
3. berapa jumlah variabel yang didefinisikan dalam file tersebut !
Jumlan variabelnya ada 11.
4. Berapa jumlah fungsi yang ada didalam skrip tersebut !
Jumlah fungsinya ada 11.
5. Tuliskan nama semua variabel skrip javascript tersebut ?
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;
6. Tuliskan nama semua fungsi skrip tersebut ?
function calculate(arg)
function enter(arg, string)
function clear_display(arg)
function calc_sqrt(form)
function calc_sqr(form)
function sin_form(form)
function cos_form(form)
function tan_form(form)
function inverse(form)
function base10_log(form)
function base2_log(form)
7. Tuliskan skrip untuk membuat tampilan display pada skrip tersebut !
<input type="text" name="expr" size="35"
action="calculate(this.form)">
8. Tuliskan skrip untuk membuat 1 tombol !
<input type="button" value=" sin " Onclick="sin_form(this.form)">
9. Tuliskan fungsi jika tombol = ditekan oleh mouse !
<input type="button" value=" = " onClick="calculate(this.form)">
10. Tuliskan skrip untuk membersihkan display !
<input type="button" value=" C " onClick="clear_display(this.form)">
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