KALKULACKA

ID
NAZOV SKRIPTU:
POPIS CINNOSTI:
DLZKA:
TESTOVANE POD:

 

007
p007.html / p001.zip
Kalkulacka s jednoduchymi matematickymi operaciami
2126b
NN 4.01, IE 4.0

UKAZKA

Zdrojovy tvar:

<html>
<
head>
<
title>
JavaScript DESTINATION - P007
<
/title>
<
script language="JavaScript">
<!--
function compute(obj)
{
obj.expr.value = eval(obj.expr.value);
}
var one = '1';
var two = '2';
var three = '3';
var four = '4';
var five = '5';
var six = '6';
var seven = '7';
var eight = '8';
var nine = '9';
var zero = '0';
var plus = '+';
var minus = '-';
var multiply = '*';
var divide = '/';
var decimal = '.';
function enter(obj, string)
{
obj.expr.value += string;
}
function clear(obj)
{
obj.expr.value = '';
}
<!-- -->
<
/script>
<
/head>
<
body>
<
form name="calculator">
<
table border=1>
<
tr>
<
td colspan=4>
<
input type="text" name="expr" size=30 action="compute(this.form)"> </tr><tr>
<
td><input type="button" value=" 7 " onClick="enter(this.form, seven)">
<
td><input type="button" value=" 8 " onClick="enter(this.form, eight)">
<
td><input type="button" value=" 9 " onClick="enter(this.form, nine)">
<
td><input type="button" value=" / " onClick="enter(this.form, divide)">
<
/tr>
<
tr>
<
td><input type="button" value=" 4 " onClick="enter(this.form, four)">
<
td><input type="button" value=" 5 " onClick="enter(this.form, five)">
<
td><input type="button" value=" 6 " onClick="enter(this.form, six)">
<
td><input type="button" value=" * " onClick="enter(this.form, multiply)">
<
/tr>
<
tr>
<
td><input type="button" value=" 1 " onClick="enter(this.form, one)">
<
td><input type="button" value=" 2 " onClick="enter(this.form, two)">
<
td><input type="button" value=" 3 " onClick="enter(this.form, three)">
<
td><input type="button" value=" - " onClick="enter(this.form, minus)">
<
/tr>
<
tr>
<
td colspan=2><input type="button" value=" 0 " onClick="enter(this.form, zero)">
<
td><input type="button" value=" . " onClick="enter(this.form, decimal)">
<
td><input type="button" value=" + " onClick="enter(this.form, plus)">
<
/tr>
<
tr>
<
td colspan=2><input type="button" value=" = " onClick="compute(this.form)">
<
td colspan=2><input type="button" value="AC" size= 3 onClick="clear(this.form)">
<
/table>
<
/form>
<
/body>
<
/html>
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