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SergPro86SergPro86
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add numbers and operations
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4 files changed

+254
-5
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‎bjs/07_Number_and_string/index.html‎

Lines changed: 69 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -15,10 +15,77 @@
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<div class="form-group">
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<div class="card" id="calc">
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<div class="card-body">
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<input class="form-control input-window" id="inputWindow" value="">
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<input class="form-control input-window" id="inputWindow" value="" readonly>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-outline-danger form-control" id="btn_clr">C</button>
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<button class="btn btn-danger form-control" id="btn_clr">C</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_1">1</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_2">2</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_3">3</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_sum">+</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_4">4</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_5">5</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_6">6</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_def">-</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_7">7</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_8">8</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_9">9</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_mult">*</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_calc">=</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_0">0</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_sqrt">&sup2;&radic;</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_dev">&divide;</button>
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</div>
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</div>
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<div class="row no-gutters">
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<div class="col">
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<button class="btn btn-primary form-control" id="btn_unar">&plusmn;</button>
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</div>
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<div class="col">
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<button class="btn btn-primary form-control" type="number" step="any" id="btn_point">.</button>
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</div>
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</div>
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</div>

‎bjs/07_Number_and_string/readme.md‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
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# Создание простого калькулятора: сумма, разность, произведение, деление.
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## Используемые технологии
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* HTML
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* CSS
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* JavaScript
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## Как открыть/Запустить
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Зайти в папку Number and string в файловом менеджере, кликнуть 2 раза по файлу index.html

‎bjs/07_Number_and_string/script.js‎

Lines changed: 166 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -3,10 +3,173 @@ let operation = null;
33

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const inputWindow = document.getElementById('inputWindow');
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6+
inputWindow.value = '0';
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7-
document.getElementById('btn_clr').addEventListener('click', function () {
8-
lastOperand = 0;
9-
operation = null;
8+
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document.getElementById('btn_1').addEventListener('click', function () {
10+
if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '1';
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})
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document.getElementById('btn_2').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '2';
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})
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document.getElementById('btn_3').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '3';
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})
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document.getElementById('btn_4').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '4';
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})
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document.getElementById('btn_5').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '5';
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})
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document.getElementById('btn_6').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '6';
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})
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document.getElementById('btn_7').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '7';
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})
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document.getElementById('btn_8').addEventListener('click', function () {
59+
if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '8';
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})
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document.getElementById('btn_9').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '9';
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})
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document.getElementById('btn_0').addEventListener('click', function () {
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if (inputWindow.value === '0') {
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inputWindow.value = '';
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}
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inputWindow.value += '0';
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})
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document.getElementById('btn_sum').addEventListener('click', function () {
80+
lastOperand = parseInt(inputWindow.value);
81+
operation = 'sum';
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inputWindow.value = '';
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})
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85+
document.getElementById('btn_def').addEventListener('click', function () {
86+
lastOperand = parseInt(inputWindow.value);
87+
operation = 'def';
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inputWindow.value = '';
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})
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document.getElementById('btn_mult').addEventListener('click', function () {
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lastOperand = parseInt(inputWindow.value);
93+
operation = 'mult';
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inputWindow.value = '';
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})
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97+
document.getElementById('btn_dev').addEventListener('click', function () {
98+
lastOperand = parseInt(inputWindow.value);
99+
operation = 'dev';
100+
inputWindow.value = '';
101+
})
102+
document.getElementById('btn_sqrt').addEventListener('click', function () {
103+
lastOperand = parseInt(inputWindow.value);
104+
operation = 'sqrt';
105+
inputWindow.value = '';
106+
if (operation === 'sqrt') {
107+
const result = Math.sqrt(lastOperand);
108+
operation = null;
109+
lastOperand = 0;
110+
inputWindow.value = result;
111+
}
112+
})
113+
114+
document.getElementById('btn_unar').addEventListener('click', function () {
115+
lastOperand = parseInt(inputWindow.value);
116+
operation = 'unar';
117+
inputWindow.value = '';
118+
119+
if (operation === 'unar') {
120+
const result = -lastOperand;
121+
operation = null;
122+
lastOperand = 0;
123+
inputWindow.value = result;
124+
}
125+
})
126+
127+
document.getElementById('btn_point').addEventListener('click', function () {
128+
lastOperand = parseFloat(inputWindow.value);
129+
operation = 'point';
10130
inputWindow.value = '';
131+
132+
if (operation === 'point') {
133+
const result = +inputWindow.value + '.';
134+
operation = null;
135+
lastOperand = 0;
136+
inputWindow.value = result;
137+
}
138+
11139
})
12140

141+
document.getElementById('btn_calc').addEventListener('click', function () {
142+
if (operation === 'sum') {
143+
const result = lastOperand + parseInt(inputWindow.value);
144+
operation = null;
145+
lastOperand = 0;
146+
inputWindow.value = result;
147+
}
148+
149+
if (operation === 'def') {
150+
const result = lastOperand - parseFloat(inputWindow.value);
151+
operation = null;
152+
lastOperand = 0;
153+
inputWindow.value = result;
154+
}
155+
156+
if (operation === 'mult') {
157+
const result = lastOperand * parseInt(inputWindow.value);
158+
operation = null;
159+
lastOperand = 0;
160+
inputWindow.value = result;
161+
}
162+
163+
if (operation === 'dev') {
164+
const result = lastOperand / parseInt(inputWindow.value);
165+
operation = null;
166+
lastOperand = 0;
167+
inputWindow.value = result;
168+
}
169+
})
170+
171+
document.getElementById('btn_clr').addEventListener('click', function () {
172+
lastOperand = 0;
173+
operation = null;
174+
inputWindow.value = '0';
175+
})

‎bjs/07_Number_and_string/style.css‎

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Original file line numberDiff line numberDiff line change
@@ -6,4 +6,14 @@
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.input-window {
77
text-align: end;
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font-size: x-large;
9+
background-color: #fff;
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}
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.card-body {
13+
background-color: #000;
14+
}
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.col {
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margin-bottom: 1px;
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margin-right: 1px;
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}

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