i would like create a table, where one column would be variables and i want to have “+” and “-” buttons next to it. So when i click button “+” it would show number input and after submit, it would add to the value.
It works for one value, but do not get the other right, without copying whole script.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Table</title>
</head>
<style>
body {
background-color: lightslategray;
}
#PLA {
float: left;
width: 30%;
padding: 10px;
}
th, td {
border: 1px solid;
}
.header {
text-align: center;
font-size: 20px;
}
.celltext {
font-size: 15px;
}
.number {
text-align: center;
}
.vbutton {
background-color: gray;
border: 1px solid black;
border-radius: 6px;
color: white;
text-align: center;
text-decoration: none;
font-size: 10px;
padding: 0px;
margin-right: 4px;
width: 20px;
height: 20px;
float: right;
}
button:hover {
background-color: lightgray;
color: black;
}
.input {
padding: 0px;
width: 48px;
height: 16px;
font-size: 14px;
-webkit-appearance: none;
}
input[type = number] {
-moz-appearance: textfield;
}
input:focus {
border: 0px;
outline: 0px;
}
</style>
<body>
<table id="PLA">
<div>
PLA
<span id="test"></span>
<input type="number" class="input" id="nwpla" onchange="changewpla1()" onkeypress="return onlyNumberKey(event)">
</div>
<tr class="header">
<td>Barva</td>
<td>Výrobce</td>
<td>Hmotnost (g)</td>
<td>Cena (kg)</td>
</tr>
<tr class="celltext">
<td>černá <div class="box black"></div></td>
<td>Polymaker PolyLite</td>
<td class="number" id="pla1">
<span id="wpla1"></span>
<button class="vbutton" onclick="addpla()"> + </button>
<button class="vbutton" onclick="subpla()"> - </button>
</td>
<td class="number">
800
</td>
</tr>
<tr class="celltext">
<td>černá <div class="box black"></div></td>
<td>Polymaker PolyLite</td>
<td class="number" id="pla2">
<span id="wpla2"></span>
<button class="vbutton" onclick="addpla()"> + </button>
<button class="vbutton" onclick="subpla()"> - </button>
</td>
<td class="number">
800
</td>
</tr>
</table>
</body>
<script>
// test
test = document.getElementById("test");
// Weight of pla1
wpla1 = document.getElementById("wpla1");
nwpla = document.getElementById("nwpla");
nwpla.style.display = "none";
var pla1weight = localStorage.pla1weight;
localStorage.setItem("pla1weight", pla1weight);
if (localStorage.pla1weight == "undefined" || localStorage.pla1weight == isNaN) {
localStorage.pla1weight = 0
pla1weight = 0;
wpla1.innerHTML = localStorage.pla1weight;
wpla1.value = localStorage.pla1weight;
}
else {
wpla1.innerHTML = localStorage.pla1weight;
wpla1.value = localStorage.pla1weight;
}
function changewpla1() {
x = parseInt(wpla1.value, 10);
y = parseInt(nwpla.value, 10);
if (p == 1) {
pla1weight = x - y;
} else {
pla1weight = x + y;
}
wpla1.innerHTML = pla1weight;
wpla1.value = pla1weight;
localStorage.setItem("pla1weight", pla1weight);
nwpla.style.display = "none";
}
// Weight of pla2
wpla2 = document.getElementById("wpla2");
nwpla = document.getElementById("nwpla");
nwpla.style.display = "none";
var pla2weight = localStorage.pla2weight;
localStorage.setItem("pla2weight", pla2weight);
if (localStorage.pla2weight == "undefined" || localStorage.pla2weight == isNaN) {
localStorage.pla2weight = 0
pla2weight = 0;
wpla2.innerHTML = localStorage.pla2weight;
wpla2.value = localStorage.pla2weight;
}
else {
wpla2.innerHTML = localStorage.pla2weight;
wpla2.value = localStorage.pla2weight;
}
function changewpla2() {
x = parseInt(wpla2.value, 10);
y = parseInt(nwpla.value, 10);
if (p == 1) {
pla2weight = x - y;
} else {
pla2weight = x + y;
}
wpla2.innerHTML = pla2weight;
wpla2.value = pla2weight;
localStorage.setItem("pla2weight", pla2weight);
nwpla.style.display = "none";
}
function addpla() {
nwpla.value = 0;
p = 0;
nwpla.style.display = "";
}
function subpla() {
nwpla.value = 0
p = 1;
nwpla.style.display = "";
}
function onlyNumberKey(evt) {
var ASCIICode = (evt.which) ? evt.which : evt.keyCode
if (ASCIICode > 31 && (ASCIICode < 48 || ASCIICode > 57))
return false;
return true;
}
</script>
</html>
Any idea?
I would like to have a database as last option. Every value would be saved in local storage.
Thanks.
