14_drag_n_drop_01 coded fully

created a drag and drop element from one div to another
nitishkhobragade · Mar 6, 2024 · 5a92645 · 5a92645
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diff --git a/14_drag_n_drop_01/app.js b/14_drag_n_drop_01/app.js
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+let lists = document.getElementsByClassName("list"); //This line selects all elements with the class name "list" and stores them in the variable lists.
+let rightBox = document.getElementById("right"); //This line selects the element with the id "right" and stores it in the variable rightBox.
+let leftBox = document.getElementById("left"); //This line selects the element with the id "left" and stores it in the variable leftBox.
+
+for(list of lists) { //This line starts a loop iterating over each element in the lists variable.
+    list.addEventListener("dragstart", function(e){  //This line adds an event listener to each list item for the "dragstart" event. When a drag operation starts on a list item, the function specified in the second argument will be executed.
+        let selected = e.target; //This line retrieves the element that is being dragged and stores it in the selected variable.
+
+        rightBox.addEventListener("dragover", function(e){ //This line adds an event listener to the rightBox element for the "dragover" event. This event is triggered when a dragged item is being dragged over the rightBox element.
+            e.preventDefault(); //This line prevents the default action from occurring during the "dragover" event. This is necessary to allow a drop operation.
+        });
+        rightBox.addEventListener("drop", function(e){  //This line adds an event listener to the rightBox element for the "drop" event. This event is triggered when a dragged item is dropped onto the rightBox element.
+            rightBox.appendChild(selected); //This line appends the dragged element (selected) to the rightBox element.
+            selected = null; //This line clears the selected variable after the drop operation.
+        });
+
+        leftBox.addEventListener("dragover", function(e){ //Similar to lines 7-8, this line adds an event listener to the leftBox element for the "dragover" event.
+            e.preventDefault();
+        });
+        leftBox.addEventListener("drop", function(e){ //Similar to lines 9-10, this line adds an event listener to the leftBox element for the "drop" event.
+            leftBox.appendChild(selected); //Similar to line 10, this line appends the dragged element (selected) to the leftBox element.
+            selected = null; //Similar to line 11, this line clears the selected variable after the drop operation.
+        });
+    }) //This line closes the event listener function for the "dragstart" event.
+}; //This line closes the loop that iterates over each list item.
diff --git a/14_drag_n_drop_01/drag_drop_icon.png b/14_drag_n_drop_01/drag_drop_icon.png
diff --git a/14_drag_n_drop_01/index.html b/14_drag_n_drop_01/index.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="keywords" content="javascript tutorials, codingninjank, nitish khobragade programming, nitish khobragade, 8982324497">
+    <meta name="author" content="Nitish Khobragade">
+    <title>Drag n Drop 01 Using Javascript</title>
+    <link rel="stylesheet" href="./styles.css">
+</head>
+<body>
+    <h2 class="heading">Drag n Drop (JavaScript)</h2>
+    <h3 class="heading2">Drag n Drop List item from one box to another</h3>
+    <div class="container">
+        <div id="left">
+            <div class="list" draggable="true"><img src="./drag_drop_icon.png">List Item 1</div>
+
+            <div class="list" draggable="true"><img src="./drag_drop_icon.png">List Item 2</div>
+
+            <div class="list" draggable="true"><img src="./drag_drop_icon.png">List Item 3</div>
+
+            <div class="list" draggable="true"><img src="./drag_drop_icon.png">List Item 4</div>
+        </div>
+        <div id="right"></div>
+    </div>
+    <script src="./app.js"></script>
+</body>
+</html>
diff --git a/14_drag_n_drop_01/styles.css b/14_drag_n_drop_01/styles.css
@@ -0,0 +1,56 @@
+*{
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+    font-family: 'Poppins', sans-serif;
+}
+
+.heading {
+    height: 5vh;
+    text-align: center;
+    color: #ffeded;
+    text-shadow: 2px 2px 5px black;
+    background-size: 100% 100%;
+    background-position: 0px 0px;
+    background-image: linear-gradient(90deg, #A100FFFF 0%, #71C4FFFF 100%);
+}
+
+.heading2 {
+    height: 5vh;
+    text-align: center;
+    color: #ffeded;
+    text-shadow: 2px 2px 5px rgb(241, 134, 134);
+    background: #0b0423;
+}
+
+.container {
+    width: 100%;
+    min-height: 90vh;
+    background: #0b0423;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+#left, #right {
+    width: 300px;
+    min-height: 400px;
+    margin: 20px;
+    border: 2px dashed #fff;
+}
+
+.list {
+    background: #e91e63;
+    height: 60px;
+    margin: 30px;
+    color: #fff;
+    display: flex;
+    align-items: center;
+    cursor: grab;
+}
+
+.list img {
+    width: 10px;
+    margin-right: 15px;
+    margin-left: 20px;
+}