No funciona código Javascript en HTML
Publicado por Jonathan Dominguez (1 intervención) el 30/05/2019 06:45:00
Se supone que es un código para sacar el área de unas figuras en html pero no funcional necesito ayuda.
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<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="style.css">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>Document</title>
</head>
<body class="bodys">
<div class="container-fluid" align="center">
<button type="button" class="btn btn-info" data-toggle="modal" data-target="#exampleModal">
Calcular area de figuras
</button>
<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">Area</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<table>
<tr align="center">
<td width="30%">
<p>
<button class="btn btn-light" type="button" data-toggle="collapse" data-target="#collapsetriangulo" aria-expanded="false" aria-controls="collapseExample">
<img src="https://conjeturasdeunamatematica.files.wordpress.com/2016/08/triangle-31902_960_720.png?w=262&h=262" alt="" width="100%">
</button>
</p>
</td>
<td width="30%">
<p>
<button class="btn btn-light" type="button" data-toggle="collapse" data-target="#collapsecuadrado" aria-expanded="false" aria-controls="collapseExample">
<img src="https://decagono.com/img/cuadrado.png" alt="" width="100%">
</button>
</p>
</td>
<td width="30%">
<p>
<button class="btn btn-light" type="button" data-toggle="collapse" data-target="#collapsecilindro" aria-expanded="false" aria-controls="collapseExample">
<img src="https://decagono.com/img/circulo.png" alt="" width="100%">
</button>
</p>
</td>
</tr>
</table>
<form action="" method="get">
<div class="collapse" id="collapsetriangulo">
<div class="card card-body" align="center">
<img src="https://i.pinimg.com/474x/5c/e9/ee/5ce9eeea473e0fcfa55c1d7860929b37--triangles.jpg" alt="" width="30%">
</div>
</div>
<div class="collapse" id="collapsetriangulo">
<div class="form-group">
<label class="col-form-label">Base</label>
<input type="text" placeholder="Introduce la base" class="form-control" name="b" id="b"> <br>
<label class="col-form-label">Altura</label>
<input type="text" placeholder="Introduce la altura" class="form-control" name="h" id="h"> <br>
</div>
</div>
<div class="collapse" id="collapsecuadrado">
<div class="card card-body" align="center">
<img src="https://decagono.com/img/cuadrado.png" alt="" width="30%">
</div>
<div class="collapse" id="collapsecuadrado">
<div class="form-group">
<label class="col-form-label">Lado</label>
<input type="text" placeholder="Introduce el lado" class="form-control" name="l" id="l"> <br>
</div>
</div>
</div>
<div class="collapse" id="collapsecilindro">
<div class="card card-body" align="center">
<img src="https://decagono.com/img/circulo.png" alt="" width="20%">
</div>
<div class="form-group">
<label class="col-form-label">Radio</label>
<input type="text" placeholder="Introduce el radio" class="form-control" name="r" id="r"> <br>
</div>
</div>
<input type="submit" value="Calcula" class="btn btn-info" onclick="operaciones()">
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<br>
<h1>Resultado</h1>
<table>
<tr>
<td>
<div class="resultado">
<h3>
<script>
function operaciones(){
var b, h, l, r, tr, cr, cir;
var b = document.getElementById('b').value;
var h = document.getElementById('h').value;
var l = document.getElementById('l').value;
var r = document.getElementById('r').value;
var tr = (b*h)/2;
var cr=l*l;
var cir=3.1416(r*r);
document.getElementById('trian').value = tr;
document.getElementById('cuad').value= cr;
document.getElementById('circu').value= cir;
}</script>
<div>El área del triángulo es: <div id="trian">0</div>.</div>
<div>El área del cuadrado es: <div id="cuad">0</div>.</div>
<div>El área del círculo es: <div id="circu">0</div>.</div>
</h3>
</div>
</td>
</tr>
</table>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
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