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Домашнее задание №4 #4

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77 changes: 77 additions & 0 deletions css/reset.css
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/* --------------- reset.css --------------- */
html, body, div, span, h1, h2, h3, h4, h5, h6, p, em, img, strong, sub, sup, b, u, i, dl, dt, dd, ol, ul, menu, li, form, label, table, tbody, tfoot, thead, tr, th, td {
margin: 0;
padding: 0;
border: 0;
outline: 0; /* �������� ������� � ������� ������� */
vertical-align: baseline; /* �������� ��� � ����� ������� ����� */
background: transparent; /* ����� �� ������������ ����� ����, ������������� �� ��������� */
font-size: 100%; /* ������ ������ ���� ���������� */
}

body{width:100%; height:100%;}

body {
line-height: 1;
background: #fff;
color: #000;
text-align: left;
font: 12px Arial, "Helvetica CY", "Nimbus Sans L", sans-serif; /* ���������� ���������� ��������� CSS ����� */
}

input, select, button, textarea {
font-family: Arial, "Helvetica CY", "Nimbus Sans L", sans-serif; /* ����� ����� ��� ����� �� ��� � ����� */
}


label, input[type="button"], input[type="submit"], button {
cursor: pointer; /* ������ � ���� ���� ��� ���� ������������ ��������� ���� */
}

a { /* ������ �� � ����� ������ ����� �� ���������� outline �� ��������� */
margin:0;
padding:0;
font-size:100%;
vertical-align:baseline;
background:transparent;
}
table { /* ��������� ������� ����� �������� ������� */
border-collapse: collapse;
border-spacing: 0;
}
td, td img {
vertical-align: top; /* ���������� ��������� ������������ ������������ */
}
input, select, button, textarea {
margin: 0; /* ������� ������� �� ��������� ��� ��������� ���� (� ��������� ��� checkbox � radio) */
font-size: 100%; /* ������ ������ ������� ����� ���������� */
}
input[type="text"], input[type="password"], textarea {
padding: 0; /* ������� ���������� ������� ��� ��������� ����� */
}
input[type="checkbox"] { /* ������������ ������������ ��������� � ������������ ������������ ����� */
vertical-align: bottom;
}
input[type="radio"] {
vertical-align: text-bottom;
}
sub {
vertical-align: sub;
font-size: smaller;
}
sup {
vertical-align: super;
font-size: smaller;
}

ul, menu {list-style:none;}

input[type="text"]{border-style:none;}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
display:block;
}
/* --------------- /reset.css --------------- */


legend, fieldset, form {padding-left: 0; border-left: 0; border-right: 0; border-bottom: 0;}
156 changes: 156 additions & 0 deletions css/style.css
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body, html { width: 100%; height: 100%; background: #000; }

/*wrapper*/
#calc {
width: 270px;
height: 295px;
padding: 15px 10px;
background: #000;
overflow: hidden;
position: absolute;
top: 50%;
left: 50%;
margin-top: -163px;
margin-left: -158px;
border: 1px solid silver;
border-radius: 10px;
box-shadow: 0 0 300px aqua;
}

#screen {
width: 250px;
height: 40px;
background: #fff;
border-radius: 5px;
}

#calcScreen {
width: 246px;
height: 36px;
padding: 0 10px;
font: bold 18px/35px Arial;
text-align: right;
color: gray;
border: 2px solid gray;
border-radius: 5px;
background: #000 -moz-linear-gradient(180deg, #fff, aqua);
background: #000 -webkit-linear-gradient(180deg, #fff, aqua);
background: #000 -o-linear-gradient(180deg, #fff, aqua);
background: #000 -ms-linear-gradient(180deg, #fff, aqua);
background: #000 linear-gradient(180deg, #fff, aqua);240deg
}

ul#number {
width: 185px;
padding: 10px 0;
float: left;
}

ul#number li {
float: left;
margin: 3px 3px 3px 0;
}

ul#number li a {
display: block;
width: 55px;
padding: 10px 0;
text-align: center;
text-decoration: none;
background: #000 -moz-linear-gradient(top, #000, #505050);
background: #000 -webkit-linear-gradient(top, #000, #505050);
background: #000 -o-linear-gradient(top, #000, #505050);
background: #000 -ms-linear-gradient(top, #000, #505050);
background: #000 linear-gradient(top, #000, #505050);
border: 1px solid silver;
border-radius: 5px;
font: bold 18px Arial;
color: #fff;
}

ul#number li:nth-child(10) a { width: 115px; }

ul#number li a:hover {
background: #000 -moz-linear-gradient(bottom, #000, #505050);
background: #000 -webkit-linear-gradient(bottom, #000, #505050);
background: #000 -o-linear-gradient(bottom, #000, #505050);
background: #000 -ms-linear-gradient(bottom, #000, #505050);
background: #000 linear-gradient(bottom, #000, #505050);
color: aqua;
}


ul#operators {
float: right;
padding: 10px 0;
}

ul#operators li {
margin: 3px 0 6px 0;
}

ul#operators li a {
display: block;
width: 80px;
padding: 9px 0 8px 0;
text-align: center;
text-decoration: none;
background: #000 -moz-linear-gradient(top, #000, #505050);
background: #000 -webkit-linear-gradient(top, #000, #505050);
background: #000 -o-linear-gradient(top, #000, #505050);
background: #000 -ms-linear-gradient(top, #000, #505050);
background: #000 linear-gradient(top, #000, #505050);
border: 1px solid silver;
border-radius: 5px;
font: bold 20px Arial;
color: #fff;
}

ul#operators li a:hover {
background: #000 -moz-linear-gradient(bottom, #000, #505050);
background: #000 -webkit-linear-gradient(bottom, #000, #505050);
background: #000 -o-linear-gradient(bottom, #000, #505050);
background: #000 -ms-linear-gradient(bottom, #000, #505050);
background: #000 linear-gradient(bottom, #000, #505050);
color: aqua;
}

a#result {
display: inline-block;
margin-top: -7px;
width: 175px;
padding: 9px 0 8px 0;
text-align: center;
text-decoration: none;
background: #000 -moz-linear-gradient(top, #000, #505050);
background: #000 -webkit-linear-gradient(top, #000, #505050);
background: #000 -o-linear-gradient(top, #000, #505050);
background: #000 -ms-linear-gradient(top, #000, #505050);
background: #000 linear-gradient(top, #000, #505050);
border: 1px solid silver;
border-radius: 5px;
font: bold 20px Arial;
color: #fff;
clear:both;
cursor: pointer;
}

a#result:hover {
background: #000 -moz-linear-gradient(bottom, #000, #505050);
background: #000 -webkit-linear-gradient(bottom, #000, #505050);
background: #000 -o-linear-gradient(bottom, #000, #505050);
background: #000 -ms-linear-gradient(bottom, #000, #505050);
background: #000 linear-gradient(bottom, #000, #505050);
color: aqua;
}

ul#operators li a:active,
ul#number li a:active,
a#result:active {
background: #000 -moz-linear-gradient(45deg, #000, #505050);
background: #000 -webkit-linear-gradient(45deg, #000, #505050);
background: #000 -o-linear-gradient(45deg, #000, #505050);
background: #000 -ms-linear-gradient(45deg, #000, #505050);
background: #000 linear-gradient(45deg, #000, #505050);
color: aqua;
}
40 changes: 40 additions & 0 deletions index.html
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<!DOCTYPE html>
<head>
<meta charset="utf-8" />
<title>Калькулятор</title>
<link rel="stylesheet" type="text/css" href="css/reset.css" />
<link rel="stylesheet" type="text/css" href="css/style.css" />
<script src="js/script.js"></script>
</head>
<body>
<div id="calc">
<div id="screen">
<div id="calcScreen"></div>
</div>
<ul id="number">
<li><a href="#" onclick="prnt(1)">1</a></li>
<li><a href="#" onclick="prnt(2)">2</a></li>
<li><a href="#" onclick="prnt(3)">3</a></li>
<li><a href="#" onclick="prnt(4)">4</a></li>
<li><a href="#" onclick="prnt(5)">5</a></li>
<li><a href="#" onclick="prnt(6)">6</a></li>
<li><a href="#" onclick="prnt(7)">7</a></li>
<li><a href="#" onclick="prnt(8)">8</a></li>
<li><a href="#" onclick="prnt(9)">9</a></li>
<li><a href="#" onclick="prnt(0)">0</a></li>
<li><a href="#" onclick="prnt('.')">.</a></li>
</ul>

<ul id="operators">
<li><a href="#" onclick="reset()">c</a></li>
<li><a href="#" onclick="calc('division')">/</a></li>
<li><a href="#" onclick="calc('multiplication')">*</a></li>
<li><a href="#" onclick="calc('subtraction')">-</a></li>
<li><a href="#" onclick="calc('addition')">+</a></li>
</ul>

<a id="result" onclick="document.getElementById('calcScreen').innerHTML = result(); n = false"> = </a>
</div>
</body>
</html>

51 changes: 51 additions & 0 deletions js/script.js
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var operand = null;
var operation = null;
var n = false;

function prnt(c) {
if(n) {
document.getElementById("calcScreen").innerHTML = c;
n = false;
} else {
document.getElementById("calcScreen").innerHTML = document.getElementById("calcScreen").innerHTML + c;
}
}

function result() {
if (operand === null || operation === null || document.getElementById("calcScreen").innerHTML === "") {
alert("Нечего считать!");
return;
}
other_operand = document.getElementById("calcScreen").innerHTML - 0;
r = 0;
switch (operation) {
case "addition":
r = +operand + other_operand;
break;
case "subtraction":
r = operand - other_operand;
break;
case "multiplication":
r = operand * other_operand;
break;
case "division":
r = operand / other_operand;
break;
}
return r;
}

function calc(o) {
if(operand !== null && operation !== null) {
document.getElementById("calcScreen").innerHTML = result();
}
operand = document.getElementById("calcScreen").innerHTML;
operation = o;
n = true;
}

function reset() {
document.getElementById("calcScreen").innerHTML = "";
operand = null;
operation = null;
}