Answer to Question #316530 in HTML/JavaScript Web Application for siva

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Answer to Question #316530 in HTML/JavaScript Web Application for siva

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Programming & Computer Science>

HTML/JavaScript Web Application

Question #316530

DOM.

image:

https://res.cloudinary.com/dfxicv9iv/image/upload/v1619260598/dynamic-dom-manipulations-3_bov0vg.gif

Delete btn is clicked

The blog element &the respective btn shouldbe deleted.

fill script code:

let blgList = [{

blgName:"TechCrunch",

uniqueNo:1,

},

{

blgName:"Wired",

uniqueNo:2,

}

];

let blgsListContainer = document.getElementById("blogsListContainer");

function createAndAppendItem(blg) {

let blgId = "blog" + blg.uniqueNo;

let btnId = "button" + blg.uniqueNo;

let blgEl = document.createElement("li");

blgEl.id = blgId;

blgEl.textContent = blg.blgName;

blgsListContainer.appendChild(blgEl);

let btnEl = document.createElement("button");

btnEl.classList.add("btn", "btn-danger", "ml-3");

btnEl.textContent ="Delete";

btnEl.id = buttonId;

// Write your code here

blgEl.appendChild(btnEl);

}

for (let blg of blgList) {

createAndAppendItem(blg);

}

Expert's answer

<!DOCTYPE html>
<html lang="en">
<head>
   <meta charset="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>DOM</title>
</head>
<body>
   <style>
      li:not(:last-child){
         margin-bottom: 15px;
      }


      .btn-danger{
         margin-left: 10px;
         background: red;
         color: #fff;
         border: none;
         border-radius: 4px;
         padding: 5px 15px;
         transition: all 0.3s ease;
         cursor: pointer;
      }
      .btn-danger:hover{
         background: darkred;
      }
   </style>
   <h1>Your Saved Blogs</h1>
   <ul id="blogsListContainer"></ul>
   <script>
      let blgList = [{
            blgName: "TechCrunch",
            uniqueNo: 1,
         },
         {
            blgName: "Wired",
            uniqueNo: 2,
         }
         ];



         let blgsListContainer = document.getElementById("blogsListContainer");


         function createAndAppendItem(blg) {


            let blgId = "blog" + blg.uniqueNo;


            let btnId = "button" + blg.uniqueNo;


            let blgEl = document.createElement("li");


            blgEl.id = blgId;


            blgEl.textContent = blg.blgName;


            blgsListContainer.appendChild(blgEl);


            let btnEl = document.createElement("button");


            btnEl.classList.add("btn", "btn-danger", "ml-3");


            btnEl.textContent = "Delete";


            btnEl.id = btnId;




            // Write your code here




            blgEl.appendChild(btnEl);


         }
         for (let blg of blgList) {
            createAndAppendItem(blg);
         }



         function deleteBlogs(event) {
            if (event.target.id.includes('button')) {
               blgsListContainer.removeChild(event.target.parentNode)
            }
         }



         blgsListContainer.addEventListener('click', deleteBlogs)
   </script>
</body>
</html>

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