CruzzerK97
Reputation: 99
Save the input the user make even after reload/refresh
I wanted to to add a function that every time the user refresh, reload or even close the page, the user to able to see the data whatever the user had entered previously or choose in the <select>.
Also when the user make an update and refresh they show be able to see the change.
let doc, htm, bod, nav, M, I, S, Q, hC, aC, rC, tC; // for use on other loads
addEventListener('load', () => {
doc = document;
htm = doc.documentElement;
bod = doc.body;
nav = navigator;
M = tag => doc.createElement(tag);
I = id => doc.getElementById(id);
mobile = /Mobi/i.test(nav.userAgent);
S = (selector, within) => {
let w = within || doc;
return w.querySelector(selector);
}
Q = (selector, within) => {
let w = within || doc;
return w.querySelectorAll(selector);
}
hC = (node, className) => {
return node.classList.contains(className);
}
aC = (node, ...classNames) => {
node.classList.add(...classNames);
return aC;
}
rC = (node, ...classNames) => {
node.classList.remove(...classNames);
return rC;
}
tC = (node, className) => {
node.classList.toggle(className);
return tC;
}
// small Library above - magic below can be put on another page using a load Event *(except // end load line)*
const trs = Q('tbody>tr'),
trsL = trs.length,
prs = Q('tfoot>tr>td+td'),
prsM = prs.length - 1,
ya = [];
function showAverages() {
let total = 0;
for (let p = 0, c, t, l = ya.length; p < prsM; p++) {
c = 0;
for (let i = 0; i < l; i++) {
c += ya[i][p];
}
t = (c / l * 100).toFixed(2);
prs[p].textContent = t;
total += (+t);
}
prs[prsM].textContent = (total / prsM).toFixed(2);
var element = document.getElementById(prs[prsM]);
$("#element").html((total / prsM).toFixed(2) + "%");
}
for (let i = 0, r, sels, y; i < trsL; i++) {
r = trs[i];
sels = Q('select', r);
ya.push([]);
for (let n = 0, s, q = sels.length; n < q; n++) {
s = sels[n];
s.value = 'Yes';
y = s.value === 'Yes' ? 1 : 0;
ya[i].push(y);
s.oninput = () => {
ya[i][n] = s.value === 'Yes' ? 1 : 0;
showAverages();
}
}
}
showAverages();
});* {
/* set font-size separate to avoid white space issues */
box-sizing: border-box;
font-size: 0;
padding: 0;
margin: 0;
}
p {
font: italic 16px Georgia, Garamond, serif;
}
/* added ---------- */
p span {
color: black;
font: bold 16px Georgia, Garamond, serif;
}
/* ---------------- */
table {
width: 100%;
table-layout: fixed;
border-collapse: collapse;
}
thead *,
tfoot * {
font: bold 16px Arial, san-serif;
}
tbody * {
font: 15px Arial, sans-serif;
}
td,
th {
width: 90px;
border: 1px solid #ccc;
text-align: left;
padding: 8px;
}
tr:nth-child(even) {
background: #ddd;
}
tfoot>tr>td:not(:last-child):after {
content: '%';
font-weight: bold;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
<head>
<meta charset='UTF-8' />
<meta name='viewport' content='width=device-width, height=device-height, initial-scale:1, user-scalable=no' />
<title>Finding Average</title>
</head>
<body>
<div>
<p>Finding and Display Average: <span id="element"></span><br><br><br></p>
</div>
<!--the total average goes here-->
<table>
<thead>
<tr>
<th>Month</th>
<th>Jan</th>
<th>Feb</th>
<th>Mar</th>
<th>Apr</th>
<th>May</th>
<th>Jun</th>
<th>Jul</th>
<th>Aug</th>
<th>Sept</th>
<th>Oct</th>
<th>Nov</th>
<th>Dec</th>
<th>Total Average</th>
</tr>
</thead>
<tfoot>
<tr class="percent_row">
<td>Response Percent</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
</tfoot>
<tbody>
<tr class="select_row">
<td>Bought Office Supplies</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
<tr class="select_row">
<td>Saving's Over $25,000</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
<tr class="select_row">
<td>Savings</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
<tr class="select_row">
<td>Over Budget</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
<tr class="select_row">
<td>Over Budget $10,000</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
<tr class="select_row">
<td>Over Budget $20,000</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
<select>
<option value="Yes">Yes</option>
<option value="No">No</option>
</select>
</td>
<td>
</td>
</tr>
</tbody>
</table>Upvotes: 0
Views: 2944
Answers (2)
Frenchy
Reputation: 17007
If you want to store for example your data ya to local storage, you have to stringify the data, because localstorage accepts only string:
localStorage.setItem("savetab", JSON.stringify(ya));
to retrieve data, you do invers:
ya = JSON.parse(localStorage.getItem("savetab"));
after you rebuild your display yes or no for each row/column
ya is an array of 12 columns and 6 rows so 72 selects
so when you loop over ya, you'll do something like that to reload all selects with data saved:
for(var row = 0; row < 6; row++){
for(var col = 0; col < 12; col++){
$("select").eq(row * 12 + col).val(ya[row, col] == 1 ? "Yes" : "No");
}
}
following your sample:
you execute the localStorage.setItem inside showAverages()
and before the last line you load the data saved
//restore your data here before calling the function average
showAverages();
});
Upvotes: 0
KStylianou
Reputation: 21
The localStorage and sessionStorage properties allow to save key/value pairs in a web browser.
The localStorage object stores data with no expiration date. The data will not be deleted when the browser is closed, and will be available the next day, week, or year.
The localStorage property is read-only.
Example:
localStorage.setItem("lastname", "Smith");
// Retrieve
document.getElementById("result").innerHTML = localStorage.getItem("lastname");
Upvotes: 1
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