javascript-30-days-challenge-chai-aur-code/Day10.html at main · faisalkhandev/javascript-30-days-challenge-chai-aur-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>Day 10</title>
</head>
<body>

    <div id="hello">
        Task 1--------------
        <br>
        Hello g
    </div>
    <button id="btn">
        Change the text
    </button>

    <div id="dbClick">
        Task 2--------------
        <br>
        double click
    </div>

    <img id="img" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQV6-DQF2pBwNFV9KzPafu9RghrNF1tZ8J3AA&s" alt="">

    <button id="btnImg">Double Click and Disappear the image</button>

    <div>
        task 3 ---------
        <br>
        <div id="mouseHover">
            Hover karo. BackGround Change ho jaye ga.
        </div>
    </div>

    <div>
        task 4 and 5--------
        <br>
        <input type="text" id="inputHa">
    </div>

    <h6>task 7</h6>
    <form id="myForm">
        <input type="text" id="formInput" name="formInput">
        <button type="submit">Submit</button>
    </form>


    <div>

        task 8
        <br>

        <label for="mySelect">Select an option</label>
        <select name="" id="mySelect">
            <option value="option 1">Option 1</option>
            <option value="option 2">Option 2</option>
            <option value="option 3">Option 3</option>
        </select>

        <p id="myParagraph"></p>
    </div>


    <div>
        task 9 ---------
        <br>
        <ul id="myList">
            <li>Item 1</li>
            <li>Item 2</li>
            <li>Item 3</li>
            <li>Item 4</li>
            <li>Item 5</li>
        </ul>
    </div>


    <div>
        task 10 ---------
        <br>
        <ul id="myNewList">

        </ul>

        <button id="addItem">Add Item</button>
    </div>

    <script>
        // Add a click event listener to a button that changes the text content of a paragraph.
        var textChangekaro = document.getElementById("hello");
        var btn = document.getElementById("btn");
        btn.addEventListener('click', function() {
            textChangekaro.textContent = "chai pe lo ☕";
        });

        // Add a double-click event listener to an image that toggles its visibility.
        var dbClick = document.getElementById("btnImg");
        var img = document.getElementById("img");
        dbClick.addEventListener('dblclick', function() {
            img.style.display = 'none';
        });

        // Add a mouseover event listener to an element that changes its background color.
        var mouseHover = document.getElementById("mouseHover");
        mouseHover.addEventListener('mouseover', () => {
            mouseHover.style.backgroundColor = 'green';
            mouseHover.style.color = 'white';
        });

        // Add mouseout to reset to its original position.
        mouseHover.addEventListener('mouseout', () => {
            mouseHover.style.backgroundColor = '';
            mouseHover.style.color = '';
        });

        // Add a keydown event listener to an input field that logs the key pressed to the console.
        var input = document.getElementById("inputHa");
        input.addEventListener('keydown', (event) => {
            console.log('keyDown', event.key);
        });

        // Add a keyup event listener to an input field that displays the current value in a paragraph.
        input.addEventListener('keyup', (event) => {
            console.log('keyUp', event.key);
        });

        // Add a submit event listener to a form that prevents the default submission and logs the form data to the console.
        var form = document.getElementById("myForm");
        form.addEventListener('submit', (event) => {
            event.preventDefault();

            var formData = new FormData(event.target);

            var formObject = {};
            formData.forEach((value, key) => {
                formObject[key] = value;
            });

            console.log('Form data:', formObject);
        });

        // Add a change event listener to a select dropdown that displays the selected value in a paragraph.
        var select = document.getElementById("mySelect")
        var paraghraphh = document.getElementById("myParagraph")
        select.addEventListener('change',(event)=>{
            var selectedValue = event.target.value;
            paraghraphh.textContent = `Selected value is : ${selectedValue}`

        })

        // Add a click event listener to a list that logs the text content of the clicked list item using event delegation.
        var myList = document.getElementById("myList")

        myList.addEventListener('click',(event)=>{
            if(event.target.tagName === 'LI'){
                console.log(event.target.textContent)
            }
        })


        // Add an event listener to a parent element that listens for events from dynamically added child elements.
        var myList = document.getElementById("myNewList");
        var newButton = document.getElementById("addItem");

        newButton.addEventListener('click', () => {
        var newLI = document.createElement('li');
        newLI.textContent = `New Item ${myList.children.length + 1}`;

        myList.appendChild(newLI);
        });


    </script>
</body>
</html>