class-code/demo.html at main · Lagectus/class-code · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <h2 class="f">todo-list</h2>
    <input type="text" id="taskInput" placeholder="enter a task...">
    <button onclick="addTask()">Add</button>
    <ul id="taskList"></ul>
    <button onclick="gnrateColor()"> genrate Color</button>
    <p id="colorCode"></p>
    <h1 id="count">count</h1>
    <button onclick="inc()">inc</button>
    <button>dec</button>
    <script>
        let count =0;
        function inc(){
            count++;
            document.getElementById("count").innerText = count
        }
        function gnrateColor(){
            let clr=['red','green','blue']
            let randomColor = `#`+Math.floor(Math.random()*16777215).toString(16)
            document.body.style.backgroundColor = randomColor
            document.getElementById('colorCode').innerText = randomColor
        }
        function addTask(){
       let input = document.getElementById('taskInput');
       let taskText = input.value.trim();
       if(taskText === ""){
        alert("please enter a task")
        return
       }
       let li = document.createElement('li');
       li.innerText = taskText
       let deleteBtn = document.createElement('button');
       deleteBtn.innerText = "del";
       deleteBtn.onclick = function(){
        li.remove();
       }
       li.appendChild(deleteBtn);

       document.getElementById('taskList').appendChild(li)
       input.value = ''
    }
    </script>
</body>
</html>