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JavaScript some kind of error in my code

3lyfox

3lyfox

Coder
thats my html of it --

HTML: 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Task Board</title>
    <link rel="stylesheet" href="style.css">
</head>
    <body>
        <div class="h1">
            My Task Board
        </div>
        <div class="AT">
            <h2>New Task</h2>
            <p>
                <label><b>Task Info</b></label>
                <input type="text" id="tid" placeholder="Task Details" required>
            </p>
            <p>
                <label><b>Date</b></label>
                <input type="date" id="tad" required>
            </p>
            <p>
                <label><b>Time</b></label>
                <input type="Time" id="tti" required>
            </p>
            <p>
                <button class="btn" onclick="addTask()">Add Task</button>
            </p>
        </div>
        <div class="h3">
            <h3>
                Tasks
            </h3>
            <table border="1">
                <thead>
                    <th>Task</th>
                    <th>Task Time</th>
                    <th>Task Date</th>
                </thead>
                <tbody id="tableBody"></tbody>
             </table>
        </div>
        <script src="script.js"></script>
        <script src="Task.js"></script>
    </body>
</html>

and thats my JS of it--

JavaScript: 
const tableBody = document.getElementById("tableBody")
const tid = document.getElementById("tid");
const tad = document.getElementById("tad");
const tti = document.getElementById("tti");

if (localStorage.savedTaskList)

    TaskList = JSON.parse(localStorage.savedTaskList);

    displayTable();

function displayTable() {

    tableBody.innerHTML = "";

    for (let i = 0; i < taskList.length; i++) {
        TableBody.innerHTML += `
        <tr>
            <td>${task.tid}<td>
            <td>${task.tad}<td>
            <td>${task.tti}<td>
        </tr>
        `;
    }
}

function addTask() {
    let newTask = new Task(tid.value, tad.value, tti.value);
    TaskList.push(newTask);
    localStorage.savedTaskList = JSON.stringify(taskList);
    displayTable();
}

can you please help me figure out the solution / fix please
 
Last edited by a moderator:
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from what i know the script is supposed to take the info i put in the html and display / add it on screen as a table but it keeps saying i have an error that something isnt defined or / missing
 
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Here:
JavaScript: 
tableBody.innerHTML = "";

    for (let i = 0; i < taskList.length; i++) {
        TableBody.innerHTML += `

First you define the variable as 'tableBody' and then you write 'TableBody', so you made a mistake on its name.

Next time, give us the error message please ;)
 
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tried to make that change still no change in the console it says "uncaught reference Error taskList is not defined" (in line 13)
and when i try to run it anyways it says same thing in line 25 with Task not being defined
 
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Pretty much the same thing. You defined a variable named 'TaskList':
JavaScript: 
TaskList = JSON.parse(localStorage.savedTaskList);
But later on, you use it as 'taskList.':
JavaScript: 
for (let i = 0; i < taskList.length; i++) {

Note that the following:
JavaScript: 
if (localStorage.savedTaskList)

    TaskList = JSON.parse(localStorage.savedTaskList);

    displayTable();
is equivalent to:
JavaScript: 
if (localStorage.savedTaskList)
{
    TaskList = JSON.parse(localStorage.savedTaskList);
}
    
    displayTable();
Javascript does not work like Python.

Also, when you define a variable, you must use either 'var' or 'let'. So instead of:
JavaScript: 
TaskList = JSON.parse(localStorage.savedTaskList);
Write the following:
JavaScript: 
var taskList = JSON.parse(localStorage.savedTaskList);
 
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thx for the help but i figured an "easier" solution took me some time but thats pretty much what i did
const tableBody = document.getElementById("tableBody"); const tid = document.getElementById("tid"); const tad = document.getElementById("tad"); const tti = document.getElementById("tti"); const btn = document.getElementById("btn") const taskList = document.getElementById("taskList") btn.onclick = function () { const task = tid.value const date = tad.value const time = tti.value if (task && date && time) { localStorage.setItem(task, date, time); location.reload(); } }; for (let i = 0; i < localStorage.length; i++) { const tid = localStorage.key(i); const tad = localStorage.getItem(tid); const tti = localStorage.getItem(tad); taskList.innerHTML += `${tid}, ${tad}, ${tti} </br>`; }
(+ realised i left some things out of the script which made me wonder a bit)
 
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