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Simple Calculator JS #510

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Simple Calculator JS #510

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287fe6c
Add Simple Calculator using js
AnshMeshram Oct 23, 2023
e24343e
Merge branch 'main' of https://github.com/AnshMeshram/Ultimate-Web-De…
AnshMeshram Oct 23, 2023
145adf2
Merge branch 'main' into main
AnshMeshram Oct 23, 2023
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7 changes: 7 additions & 0 deletions simple calculator/bootstrap.min.css
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51 changes: 51 additions & 0 deletions simple calculator/calculator.css
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* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
background-color: #0b0f13;
}

.screen {
height: 70px;
background-color: #151319;
margin-bottom: 9px;
border: 2px solid #e44d08;
border-radius: 5px;
}

table {
margin-top: 60px;
}

td {
/* display: inline-block;*/
}

.key {
box-shadow: border-box;
height: 60px;
font-size: 30px;
color: white;
border: 1px solid #e44d08;
border-radius: 10px

}

td.key:hover {
background-color: #bdb60f;
font-size: 23px;
box-shadow: 0 0 23px 1px gold;
}

#text {
font-size: 20px;
color: white;
}

#answer {
font-size: 22px;
color: white;
}
44 changes: 44 additions & 0 deletions simple calculator/calculator.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel='stylesheet' type="text/css" href='bootstrap.min.css'>
<link rel='stylesheet' type="text/css" href='calculator.css'>
</head>
<body class="container w-25">
<h1 class="header text-center" style="color: aqua; margin-top:20px;2">Simple Calculator</h1>
<table class="text-center w-100"
<tr>
<td colspan="4" class="form-control screen" id="screen"><span id="text"></span> <br> <span id="answer"></span></td>
</tr>
<tr>
<td class="btn key w-25" id="one">1</td>
<td class="btn key w-25" id="two">2</td>
<td class="btn key w-25" id="three">3</td>
<td class="btn key w-25" id="add">+</td>
</tr>
<tr>
<td class="btn key w-25" id="four">4</td>
<td class="btn key w-25" id="five">5</td>
<td class="btn key w-25" id="six">6</td>
<td class="btn key w-25" id="subtract">-</td>
</tr>
<tr>
<td class="btn key w-25" id="seven">7</td>
<td class="btn key w-25" id="eight">8</td>
<td class="btn key w-25" id="nine">9</td>
<td class="btn key w-25" id="mlpn">*</td>
</tr>
<tr>
<td class="btn key w-25" id="divide">/</td>
<td class="btn key w-25" id="zero">0</td>
<td class="btn key w-25" id="equal">=</td>
<td class="btn key w-25" id="clean">C</td>
</tr>

</table>


<script src="calculator.js"></script>
</body>
</html>
91 changes: 91 additions & 0 deletions simple calculator/calculator.js
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// getting elements by dom:
let zero = document.querySelector("#zero")
let one = document.querySelector("#one")
let two = document.querySelector("#two")
let three = document.querySelector("#three")
let four = document.querySelector("#four")
let five = document.querySelector("#five")
let six = document.querySelector("#six")
let seven = document.querySelector("#seven")
let eight = document.querySelector("#eight")
let nine = document.querySelector("#nine")
let add = document.querySelector("#add")
let subtract = document.querySelector("#subtract")
let mlpn = document.querySelector("#mlpn")
let divide = document.querySelector("#divide")
let equal = document.querySelector("#equal")
let clean = document.querySelector("#clean")
let text = document.querySelector("#text")
let answer = document.querySelector("#answer")

// adding events to the calculator:
zero.addEventListener("click",e => {
text.textContent += 0
})

one.addEventListener("click",e => {
text.textContent += 1
})

two.addEventListener("click",e => {
text.textContent += 2
})

three.addEventListener("click",e => {
text.textContent += 3
})

four.addEventListener("click",e => {
text.textContent += 4
})

five.addEventListener("click",e => {
text.textContent += 5
})

six.addEventListener("click",e => {
text.textContent += 6
})

seven.addEventListener("click",e => {
text.textContent += 7
})

eight.addEventListener("click",e => {
text.textContent += 8
})

nine.addEventListener("click",e => {
text.textContent += 9
})

add.addEventListener("click",e => {
text.textContent += '+'

})

subtract.addEventListener("click",e => {
text.textContent += '-'
})

mlpn.addEventListener("click",e => {
text.textContent += '*'
})

divide.addEventListener("click",e => {
text.textContent += '/'
})

clean.addEventListener("click",e => {
text.textContent= ''
answer.textContent= ''
})

equal.addEventListener("click",e => {
answer.textContent = `Answer: ${eval(text.textContent)}`
text.textContent=''


})