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calculatorgui using jss,html,css #17

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134 changes: 134 additions & 0 deletions calculator.js
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html>

<head>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/mathjs/10.6.4/math.js"
integrity=
"sha512-BbVEDjbqdN3Eow8+empLMrJlxXRj5nEitiCAK5A1pUr66+jLVejo3PmjIaucRnjlB0P9R3rBUs3g5jXc8ti+fQ=="
crossorigin="anonymous"
referrerpolicy="no-referrer"></script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/mathjs/10.6.4/math.min.js"
integrity=
"sha512-iphNRh6dPbeuPGIrQbCdbBF/qcqadKWLa35YPVfMZMHBSI6PLJh1om2xCTWhpVpmUyb4IvVS9iYnnYMkleVXLA=="
crossorigin="anonymous"
referrerpolicy="no-referrer"></script>

<style>
table {
border: 2px solid black;
margin-left: auto;
margin-right: auto;
}

input[type="button"] {
width: 100%;
padding: 30px 40px;
background-color: green;
color: white;
font-size: 24px;
font-weight: bold;
border: none;
border-radius: 5px;
}

input[type="text"] {
padding: 30px 30px;
font-size: 24px;
font-weight: bold;
border: none;
border-radius: 5px;
border: 2px solid black;
}
</style>
</head>


<body>
<table id="calculator">
<tr>
<td colspan="3"><input type="text" id="result"></td>
<td><input type="button" value="c" onclick="clr()" /> </td>
</tr>
<tr>
<td><input type="button" value="1" onclick="dis('1')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="2" onclick="dis('2')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="3" onclick="dis('3')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="/" onclick="dis('/')"
onkeydown="myFunction(event)"> </td>
</tr>
<tr>
<td><input type="button" value="4" onclick="dis('4')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="5" onclick="dis('5')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="6" onclick="dis('6')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="*" onclick="dis('*')"
onkeydown="myFunction(event)"> </td>
</tr>
<tr>
<td><input type="button" value="7" onclick="dis('7')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="8" onclick="dis('8')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="9" onclick="dis('9')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="-" onclick="dis('-')"
onkeydown="myFunction(event)"> </td>
</tr>
<tr>
<td><input type="button" value="0" onclick="dis('0')"
onkeydown="myFunction(event)"> </td>
<td><input type="button" value="." onclick="dis('.')"
onkeydown="myFunction(event)"> </td>
<!-- solve function call function solve to evaluate value -->
<td><input type="button" value="=" onclick="solve()"> </td>

<td><input type="button" value="+" onclick="dis('+')"
onkeydown="myFunction(event)"> </td>
</tr>
</table>

<script>
// Function that display value
function dis(val) {
document.getElementById("result").value += val
}

function myFunction(event) {
if (event.key == '0' || event.key == '1'
|| event.key == '2' || event.key == '3'
|| event.key == '4' || event.key == '5'
|| event.key == '6' || event.key == '7'
|| event.key == '8' || event.key == '9'
|| event.key == '+' || event.key == '-'
|| event.key == '*' || event.key == '/')
document.getElementById("result").value += event.key;
}

var cal = document.getElementById("calcu");
cal.onkeyup = function (event) {
if (event.keyCode === 13) {
console.log("Enter");
let x = document.getElementById("result").value
console.log(x);
solve();
}
}
function solve() {
let x = document.getElementById("result").value
let y = math.evaluate(x)
document.getElementById("result").value = y
}
function clr() {
document.getElementById("result").value = ""
}
</script>
</body>

</html>