Answer to Question #212930 in HTML/JavaScript Web Application for Madhav

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Answer to Question #212930 in HTML/JavaScript Web Application for Madhav

Question #212930

Book Search

In this assignment, let's build a Book Search page by applying the concepts we learned till now. .When a value is entered in the HTML input element with id searchInput and press on Enter key, Get title, imageLink, author (HTTP response with key search_results) by making HTTP request using fetch with URL https://apis.ccbp.in/book-store?title=kalam&maxResults=30, Set imageLink in the HTML img element and set author in the HTML paragraph element, When a value is entered in the HTML input element with id searchInput and an option is selected in the drop down, Make a HTTP GET request to fetch the books based on the title entered and maximum number of results, If search results not equal to zero, then append the search results to the HTML container element with id searchResults, If search results equal to zero, thendisplay"Noresultsfound".

Expert's answer

<html>

<head>

</head>

<body>

  

  <!--onsubmit made false to remove unnceccesary reloads --> 

  <form id="bookmarkForm" onsubmit="return false">

    <label for="siteNameInput">site name</label><br>

    <input type="text" id="siteNameInput" name="siteNameInput" value="" /><br>

    <p class="error-message" style="color: red;" id="siteNameErrMsg"></p>

    <label for="siteUrlInput">site URL</label><br>

    <input type="text" id="siteUrlInput" name="siteUrlInput" value="" /> <br>

    <p class="error-message" style="color: red;" id="siteUrlErrMsg"></p>

    <br>

    <button id="submitBtn" onclick="return validateForm()" >submit</button>   

  </form>

  

  <ul id="bookmarksList" class="bookmarks-container"></ul>



  <script type="text/javascript">

  var ul = document.getElementById("bookmarksList");



  // validation and submit

  function validateForm(event) {

    var x = document.getElementById("siteNameInput");

    var y = document.getElementById("siteUrlInput");



    var siteNameError = document.getElementById("siteNameErrMsg")

    siteNameError.innerHTML='';

    var siteUrlError = document.getElementById("siteUrlErrMsg")

    siteUrlError.innerHTML='';



    // checking for site name

    if (x && x.value == "") {

      siteNameError.innerHTML='site name is mandatory'

    }



    //checking for site url

    if(y && y.value == ""){

      siteUrlError.innerHTML='Please provide valid URLs to the siteUrlInput'

    }



    //submitting if both present

    if(x && y && x.value != "" && y.value !=""){

      siteNameError.innerHTML=''

      siteUrlError.innerHTML=''

      var site = {siteName:x.value, siteUrl:y.value}

      console.log(site)

      makeList(site)

      x.value=""

      y.value=""

      return true;

    }

    event.preventDefault()

    return false;

  }



  // to show the updates list in HTML UI

  function makeList(site){

    

    li = document.createElement('li'); // create a new list item

    var x = document.createElement("p");// create a new p item

    var btn = document.createElement("BUTTON"); // visit button for click to visit url

    var div = document.createElement('DIV') // div to wrap site name and button



    x.innerHTML= site.siteName

    x.style.margin="0px"

    x.style.paddingRight = "20px"



    btn.innerHTML="Visit"

    btn.addEventListener("click", function() {

      window.open(site.siteUrl)

    });



    div.style.display="flex"

    div.appendChild(x)

    div.appendChild(btn)



    li.appendChild(div); // append the div to the li

    li.style.marginBottom="8px"



    // append the list item to the ul

    ul.appendChild(li); 

   



  return ;

  }

  

  </script>

</body>

</html>

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Answer to Question #212930 in HTML/JavaScript Web Application for Madhav

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