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Calc #7

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34 changes: 30 additions & 4 deletions bjs/07_Number_and_string/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,40 @@
<input class="form-control input-window" id="inputWindow" value="">
<div class="row no-gutters">
<div class="col">
<button class="btn btn-outline-danger form-control" id="btn_clr">C</button>
</div>
</div>
<button class="btn btn-danger form-control" id="btn_clr">C</button>
</div>
<div class="row no-gutters">
<div class="col">
<button class="btn btn-primary form-control" id="btn_1">1</button>
<button class="btn btn-primary form-control" id="btn_4">4</button>
<button class="btn btn-primary form-control" id="btn_7">7</button>
<button class="btn btn-primary form-control" id="btn_calc">=</button>
</div>
<div class="col">
<button class="btn btn-primary form-control" id="btn_2">2</button>
<button class="btn btn-primary form-control" id="btn_5">5</button>
<button class="btn btn-primary form-control" id="btn_8">8</button>
<button class="btn btn-primary form-control" id="btn_0">0</button>
</div>
<div class="col">
<button class="btn btn-primary form-control" id="btn_3">3</button>
<button class="btn btn-primary form-control" id="btn_6">6</button>
<button class="btn btn-primary form-control" id="btn_9">9</button>
<button class="btn btn-primary form-control" id="btn_sqrt">√</button>
</div>
<div class="col">
<button class="btn btn-primary form-control" id="btn_sum">+</button>
<button class="btn btn-primary form-control" id="btn_dif">-</button>
<button class="btn btn-primary form-control" id="btn_mult">*</button>
<button class="btn btn-primary form-control" id="btn_div">/</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script src="script.js"></script>
</body>
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91 changes: 89 additions & 2 deletions bjs/07_Number_and_string/script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,97 @@ let operation = null;

const inputWindow = document.getElementById('inputWindow');


document.getElementById('btn_clr').addEventListener('click', function () {
document.querySelector('#btn_clr').addEventListener('click', function () {
lastOperand = 0;
operation = null;
inputWindow.value = '';
})

document.querySelector('#btn_1').addEventListener('click', function () {
inputWindow.value += '1';
})
document.querySelector('#btn_2').addEventListener('click', function () {
inputWindow.value += '2';
})
document.querySelector('#btn_3').addEventListener('click', function () {
inputWindow.value += '3';
})
document.querySelector('#btn_4').addEventListener('click', function () {
inputWindow.value += '4';
})
document.querySelector('#btn_5').addEventListener('click', function () {
inputWindow.value += '5';
})
document.querySelector('#btn_6').addEventListener('click', function () {
inputWindow.value += '6';
})
document.querySelector('#btn_7').addEventListener('click', function () {
inputWindow.value += '7';
})
document.querySelector('#btn_8').addEventListener('click', function () {
inputWindow.value += '8';
})
document.querySelector('#btn_9').addEventListener('click', function () {
inputWindow.value += '9';
})
document.querySelector('#btn_0').addEventListener('click', function () {
inputWindow.value += '0';
})
document.querySelector('#btn_sum').addEventListener('click', function () {
lastOperand = parseInt(inputWindow.value);
operation = 'sum';
inputWindow.value = '';
})
document.querySelector('#btn_dif').addEventListener('click', function () {
lastOperand = parseInt(inputWindow.value);
operation = 'dif';
inputWindow.value = '';
})
document.querySelector('#btn_mult').addEventListener('click', function () {
lastOperand = parseInt(inputWindow.value);
operation = 'mult';
inputWindow.value = '';
})
document.querySelector('#btn_div').addEventListener('click', function () {
lastOperand = parseInt(inputWindow.value);
operation = 'div';
inputWindow.value = '';
})
document.querySelector('#btn_sqrt').addEventListener('click', function () {
lastOperand = parseInt(inputWindow.value);
operation = 'sqrt';
inputWindow.value = '';
})

document.querySelector('#btn_calc').addEventListener('click', function () {
if (operation === 'sum'){
const result = lastOperand + parseInt(inputWindow.value);
operation = null;
lastOperand = 0;
inputWindow.value = result;
}
if (operation === 'dif'){
const result = lastOperand - parseInt(inputWindow.value);
operation = null;
lastOperand = 0;
inputWindow.value = result;
}
if (operation === 'mult'){
const result = lastOperand * parseInt(inputWindow.value);
operation = null;
lastOperand = 0;
inputWindow.value = result;
}
if (operation === 'div'){
const result = lastOperand / parseInt(inputWindow.value);
operation = null;
lastOperand = 0;
inputWindow.value = result;
}
if (operation === 'sqrt'){
const result = Math.sqrt(lastOperand);
operation = null;
lastOperand = 0;
inputWindow.value = result;
}
})
6 changes: 6 additions & 0 deletions bjs/07_Number_and_string/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,9 @@
text-align: end;
font-size: x-large;
}
.btn {
border: 1px solid transparent; }
.card-body {
background-color: black;
}