javascript - 使用 jquery 向正文显示一个类不起作用

标签 javascript jquery html css

在第二个循环中使用 jquery 将类 bodyblue 分配给 body 时失败。

下面是我的场景

我有三个 classes box，随机选择图像和 array items，右下部分有一个正方形 box002，这个 < strong>可以拖放到三个框中的任何一个 如果找到匹配框将消失。后面三个框会消失。

然后类 bodyblue 被添加到 body 中，名为 middle bg 的 backgroundImage 被添加到 body 中 10 秒。再次出现 3 个用于拖放的框。

在second level这三个框被拖放删除后，当bodyblue被添加到body backgroundImage middle bg 10 秒内未出现。

如何在二级和三级使用jquery给body添加bodyblue backgroundImage？

var array2 = [];
var arraycart = [];
var disparray = [];
var bg = [];
var dataURL;
var timeOut;
counter = 0;

var items = [{
 label: '1',url: 'https://via.placeholder.com/150x150.jpg?text=image1'},
  {label: '2',url:'https://via.placeholder.com/150x150.jpg?text=image2'},
  {label: '3',url:'https://via.placeholder.com/150x150.jpg?text=image3'},
  {label: '4',url:'https://via.placeholder.com/150x150.jpg?text=image4'},
  {label: '5',url:'https://via.placeholder.com/150x150.jpg?text=image5'},
  {label: '6',url:'https://via.placeholder.com/150x150.jpg?text=image6'},
  {label: '7',url:'https://via.placeholder.com/150x150.jpg?text=image7'},
  {label: '8',url:'https://via.placeholder.com/150x150.jpg?text=image8'},
  {label: '9',url:'https://via.placeholder.com/150x150.jpg?text=image9'},
  {label:'10',url:'https://via.placeholder.com/150x150.jpg?text=image10'}
];


var notes = ['https://via.placeholder.com/150x150.jpg?text=image1',
  'https://via.placeholder.com/150x150.jpg?text=image2',
  'https://via.placeholder.com/150x150.jpg?text=image3',
  'https://via.placeholder.com/150x150.jpg?text=image4',
  'https://via.placeholder.com/150x150.jpg?text=image5',
  'https://via.placeholder.com/150x150.jpg?text=image6',
  'https://via.placeholder.com/150x150.jpg?text=image7',
  'https://via.placeholder.com/150x150.jpg?text=image8',
  'https://via.placeholder.com/150x150.jpg?text=image9',
  'https://via.placeholder.com/150x150.jpg?text=image10'
];


var tempimages = [];
var notesselected = [];

array2 = items.slice();

var item;


//----------------------------------------------change backgroundImage----------------------------------------------------------


function changemainbackground() {
  debugger;
  var c = document.getElementById('main');


  var img = document.getElementById('main'),
    style = img.currentStyle || window.getComputedStyle(img, false),
    bi = style.backgroundImage.slice(4, -1).replace(/"/g, "");

  // Display the url to the user
  //console.log('Image URL: ' + bi);


  bodycontents = document.getElementById('main');

  if (counter >= 0) {
    bodycontents.style.backgroundImage = 'url(' + bg[counter] + ')';
    d = bodycontents.style.backgroundImage = 'url(' + bg[counter] + ')';
    //console.log(d);    


  }
  counter++;

  //console.log("counter is"+counter);
  //console.log(bodycontents);
  //console.log(d);

}
//--------------------------^^^^^change backgroundImage end here^^^^^^^--------------------------------------------------------


//----------------------------------------------hiddenImage------------------------------------------------------------------------

hiddenimgnumber = 0;

var images = ['https://picsum.photos/200/300', 'https://picsum.photos/200/300', 'https://picsum.photos/200/300'];

//var bg=['https://via.placeholder.com/150x150.jpg?text=image1','https://via.placeholder.com/150x150.jpg?text=image2'];
var bg = ['https://picsum.photos/200/300?image=2', 'https://picsum.photos/200/300?image=3', 'https://picsum.photos/200/300?image=4'];

var refreshIntervalId = setInterval(function() {
  image = document.getElementById('hiddenimageid');
  image.src = images[hiddenimgnumber];
}, 1)


function hiddenimage() {

  clearInterval(refreshIntervalId);
  image = document.getElementById('hiddenimageid');
  image.src = images[hiddenimgnumber];

  //console.log(hiddenimgnumber);
  hiddenimgnumber++;


}

//-------------------------------------------------^^^hidden Image ends^^^------------------------------------------------------


window.onload = function() {}

function rvalue() {
  elements = document.getElementsByClassName("box");

  for (var i = 0; i < elements.length; i++) {
    //debugger;
    elements[i].style.border = "2px solid  #c57232 ";
    elements[i].style.borderBottom = "5px solid  #c57232 ";
    //object.style.borderRadius = "1-4 length|% / 1-4 length|%|initial|inherit"

  }

  ptags = document.querySelectorAll('[name="values"]');
  boxtags = document.getElementsByClassName("box");
  //if array length is 0 then we need to identify the game as completed
  if (array2.length === 0) {
    alert('Game completed');
    return;

  }

  for (var index = 0; index < 3; index++) {
    randomIndex = Math.floor(Math.random() * array2.length)

    item = array2[randomIndex];
    array2.splice(randomIndex, 1);

    try {
      //ptags[index].style.visibility = "visible";
      //ptags[index].textContent = "RS."+item.label;
      ptags[index].dataset.itemLabel = item.label;

      //using label as an identity
      tempimages.push({
        data: item,
        label: item.label
      });
      notesselected.push({
        data: item.url,
        label: item.label
      });

      boxtags[index].style.backgroundImage = 'url(' + item.url + ')';

    } catch (err) {
      // console.log('Exception');
    }
  }

  var tlen = tempimages.length;
}


function displayAllImages() {
  try {

    if (tempimages.length == 0) {
      rvalue();

    }

    if (tempimages.length === 0) {
      image = document.getElementById('slide');
      image.style.display = 'none';
      return;
    }

    // getting random item from the available items
    var arr2 = tempimages;
    item = arr2[Math.floor(Math.random() * arr2.length)]

    image = document.getElementById('slide');
    //getting notes item
    //console.log(item);
    ///////console.log(item.label);
    var dataURL = notes.filter(a => a.indexOf("?text=" + item.label) > 0)[0];
    //var dataURL =item.url;
    //var dataURL = item.label;
    console.log(dataURL);
    image.src = dataURL;
    image.dataset.itemLabel = item.label;

  } catch (err) {
    //console.log(err.message);
  }
};

$(function() {
  displayAllImages();
});

function allowDrop(ev) {
  ev.preventDefault();
}

function drag(ev) {
  ev.dataTransfer.setData("Text", ev.target.id);
}

function drop(ev) {

  ev.preventDefault();
  var data = ev.dataTransfer.getData("Text");


  var x = document.getElementById("slide").dataset.itemLabel;
  var y = ev.target.dataset.itemLabel;


  //add improvisation box drag is valid
  if (ev.target.tagName === "DIV") {
    y = ev.target.children[0].dataset.itemLabel;
  }

  //console.log(x);
  //console.log(y);

  if (x == y) {
    ev.currentTarget.style.backgroundColor = 'initial';
    ev.currentTarget.style.backgroundImage = 'initial';
    ev.currentTarget.style.border = 'initial';
    var pParagraph = ev.currentTarget.firstElementChild;

    pParagraph.style.visibility = "hidden";

    item = this.item;
    tempimages = tempimages.filter(a => a.label !== item.label);



    if (tempimages.length == 0) {
      rvalue();
      hiddenimage();
      animateCongrat();

    }
    displayAllImages();
  } else {

  }
}


//----------------------------->>>animate congarat starts here-------------------------------------------------------------

var timeOut;

function animateCongrat() {


  //debugger;
  $('.congrats').show();

  clearTimeout(timeOut);
  addBlueBody();





  hideCongratAndBlueBody();
}



function addBlueBody() {

  $("html").css("background-color", "  #070755  ");
  $('body').addClass('bodyblue')

  //console.log(url);
  $('#container').hide();
  $('#2container').hide();
  $('#3container').hide();
  $('#2').hide();
  $('.completed').hide();

  
  

}

function hideCongratAndBlueBody() {
  timeOut = setTimeout(() => {
    $('.congrats').hide();
    $("html").css("background-color", "");
    $('body').removeClass('bodyblue')
    $('#container').show();
    $('#2container').show();
    $('#3container').show();
    $('#2').show();

    $('.completed').hide();
  

    changemainbackground();
  }, 10000);

}

//----------------------------->>>animate congarat ends here-------------------------------------------------------------
body {
  overflow: hidden;
}

.dashed {
  border: 2px dashed #999 !important;
}

.bodyblue {
  background-image: url(https://via.placeholder.com/1000x600?text=Middle+bg);
  height: 100vh;
  width: 100vw;
}

ul {
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
}

.box {
  width: calc(33.3% - 4px);
  border-radius: 5px;
  border: #000 border-color: #e6e600;
  margin: -2px;
  background-color: #99ffff;
  height: 16vh;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-repeat: no-repeat;
  background-size: cover;
  cursor: pointer;
}

.box002 {
  position: absolute;
  top: 40.3vh;
  left: 50.98vw;
  cursor: pointer;
    border: 2px solid black;
}

.box002 img {
  width: 15.0vw;
  height: 15.0vh;
  border-radius: 0%;
}

#container {
  white-space: nowrap;
  border: px solid #CC0000;
}

.containerr {
  border: px solid #FF3399;
}

.pic {
  background-size: 100% 100%;
}

.container2 {
  width: 29.0vw;
  position: fixed;
  top: 23.9vh;
  left: 19.2vw;
}

body {
  background-image: url(https://picsum.photos/200/300?image=0);
  background-size: 100vw 100vh;
}

.reset img:hover {
  opacity: 1
}

.hiddenimage {
  position: absolute;
  top: 4.3vh;
  left: 50vw;
  cursor: pointer;
}

.hiddenimage img {
  width: 10.3vw;
  height: 10.5vh;
  border-radius: 15%;
}

.hand {
  position: absolute;
  top: 45.3vh;
  left: 17vw;
  cursor: pointer;
}

.hand img {
  width: 25.3vw;
  height: 25.5vh;
  border-radius: 0%;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container2">
  <div class="containerr">
    <div class="pic" id="content">


      <div id="container">

        <div class="box" ondrop="drop(event)" ondragover="allowDrop(event)" id="10" style="">
          <p name="values"></p>
        </div>
        <div class="box" ondrop="drop(event)" ondragover="allowDrop(event)" id="11">
          <p name="values"></p>
        </div>
        <div class="box" ondrop="drop(event)" ondragover="allowDrop(event)" id="12">
          <p name="values"></p>
        </div>
      </div>

    </div>
  </div>
</div>

<div class="box002" draggable="true" ondragstart="drag(event)" id="2">
  <img src="" draggable="true" id="slide" border="rounded" />
</div>

<div class="congrats">
  <div class="hiddenimage" style="display:none;">
    <img src="" id="hiddenimageid" />
  </div>
</div>

最佳答案 

<script>
        var array2 = [];
        var arraycart = [];
        var disparray = [];
        var bg = [];
        var dataURL;
        var timeOut;
        counter = 0;

        var items = [{
            label: '1', url: 'https://via.placeholder.com/150x150.jpg?text=image1'
        },
        { label: '2', url: 'https://via.placeholder.com/150x150.jpg?text=image2' },
        { label: '3', url: 'https://via.placeholder.com/150x150.jpg?text=image3' },
        { label: '4', url: 'https://via.placeholder.com/150x150.jpg?text=image4' },
        { label: '5', url: 'https://via.placeholder.com/150x150.jpg?text=image5' },
        { label: '6', url: 'https://via.placeholder.com/150x150.jpg?text=image6' },
        { label: '7', url: 'https://via.placeholder.com/150x150.jpg?text=image7' },
        { label: '8', url: 'https://via.placeholder.com/150x150.jpg?text=image8' },
        { label: '9', url: 'https://via.placeholder.com/150x150.jpg?text=image9' },
        { label: '10', url: 'https://via.placeholder.com/150x150.jpg?text=image10' }
        ];


        var notes = ['https://via.placeholder.com/150x150.jpg?text=image1',
            'https://via.placeholder.com/150x150.jpg?text=image2',
            'https://via.placeholder.com/150x150.jpg?text=image3',
            'https://via.placeholder.com/150x150.jpg?text=image4',
            'https://via.placeholder.com/150x150.jpg?text=image5',
            'https://via.placeholder.com/150x150.jpg?text=image6',
            'https://via.placeholder.com/150x150.jpg?text=image7',
            'https://via.placeholder.com/150x150.jpg?text=image8',
            'https://via.placeholder.com/150x150.jpg?text=image9',
            'https://via.placeholder.com/150x150.jpg?text=image10'
        ];


        var tempimages = [];
        var notesselected = [];

        array2 = items.slice();

        var item;


        //----------------------------------------------change backgroundImage----------------------------------------------------------

       
        function changemainbackground() {
            debugger;
            var c = document.getElementById('main');


            var img = document.getElementById('main'),
                style = img.currentStyle || window.getComputedStyle(img, false),
                bi = style.backgroundImage.slice(4, -1).replace(/"/g, "");

            // Display the url to the user
            //console.log('Image URL: ' + bi);


            bodycontents = document.getElementById('main');

            if (counter >= 0) {
                bodycontents.style.backgroundImage = 'url(' + bg[counter] + ')';
                d = bodycontents.style.backgroundImage = 'url(' + bg[counter] + ')';
                //console.log(d);    


            }
            counter++;

            //console.log("counter is"+counter);
            //console.log(bodycontents);
            //console.log(d);

        }
        //--------------------------^^^^^change backgroundImage end here^^^^^^^--------------------------------------------------------


        //----------------------------------------------hiddenImage------------------------------------------------------------------------

        hiddenimgnumber = 0;

        var images = ['https://picsum.photos/200/300', 'https://picsum.photos/200/300', 'https://picsum.photos/200/300'];

        //var bg=['https://via.placeholder.com/150x150.jpg?text=image1','https://via.placeholder.com/150x150.jpg?text=image2'];
        var bg = ['https://picsum.photos/200/300?image=2', 'https://picsum.photos/200/300?image=3', 'https://picsum.photos/200/300?image=4'];

        var refreshIntervalId = setInterval(function () {
            image = document.getElementById('hiddenimageid');
            image.src = images[hiddenimgnumber];
        }, 1)


        function hiddenimage() {

            clearInterval(refreshIntervalId);
            image = document.getElementById('hiddenimageid');
            image.src = images[hiddenimgnumber];

            //console.log(hiddenimgnumber);
            hiddenimgnumber++;


        }

        //-------------------------------------------------^^^hidden Image ends^^^------------------------------------------------------


        window.onload = function () { }

        function rvalue() {
            elements = document.getElementsByClassName("box");
            
            for (var i = 0; i < elements.length; i++) {
                //debugger;
                elements[i].style.border = "2px solid  #c57232 ";
                elements[i].style.borderBottom = "5px solid  #c57232 ";
                //object.style.borderRadius = "1-4 length|% / 1-4 length|%|initial|inherit"
               
            }

            ptags = document.querySelectorAll('[name="values"]');
            boxtags = document.getElementsByClassName("box");
            //if array length is 0 then we need to identify the game as completed
            if (array2.length === 0) {
                alert('Game completed');
                return;

            }
            for (var index = 0; index < 3; index++) {
                randomIndex = Math.floor(Math.random() * array2.length)

                item = array2[randomIndex];
                array2.splice(randomIndex, 1);
                tempimages.push({
                    data: item,
                    label: item.label
                });
                notesselected.push({
                    data: item.url,
                    label: item.label
                });
            }
            var timeOuts = setTimeout(() => {
                for (var index = 0; index < 3; index++) {
                  //  randomIndex = Math.floor(Math.random() * array2.length)

                    //item = array2[randomIndex];
                    //array2.splice(randomIndex, 1);
                    item = array2[index];
                    try {

                        ptags[index].dataset.itemLabel = item.label;


                        //tempimages.push({
                        //    data: item,
                        //    label: item.label
                        //});
                        //notesselected.push({
                        //    data: item.url,
                        //    label: item.label
                        //});

                        boxtags[index].style.backgroundImage = 'url(' + item.url + ')';

                    } catch (err) {
                        // console.log('Exception');
                    }
                }
            }, 5000);
            var tlen = tempimages.length;
        }


        function displayAllImages() {
            try {
                var randomIndex = Math.floor(Math.random() * array2.length)
                if (tempimages.length == 0) {
                  
                    var fitem = array2[randomIndex];
                   
                    tempimages.push({
                        data: fitem,
                        label: fitem.label
                    });
                    rvalue();
                }

                if (tempimages.length === 0) {
                    image = document.getElementById('slide');
                    image.style.display = 'none';
                    return;
                }

                // getting random item from the available items
                var arr2 = tempimages;
              //  item = arr2[Math.floor(Math.random() * arr2.length)]
                
                item = arr2[0];
                image = document.getElementById('slide');
               
                //getting notes item
                //console.log(item);
                ///////console.log(item.label);
               
                var dataURL = notes.filter(a => a.indexOf("?text=" + item.label) > 0)[0];
                //var dataURL =item.url;
                //var dataURL = item.label;
              
                console.log(dataURL);
                image.src = dataURL;
                image.dataset.itemLabel = item.label;
               
            } catch (err) {
                //console.log(err.message);
               
            }
        };

        $(function () {
           
            displayAllImages();
        });

        function allowDrop(ev) {
            ev.preventDefault();
        }

        function drag(ev) {
            ev.dataTransfer.setData("Text", ev.target.id);
        }

        function drop(ev) {
           
            ev.preventDefault();
            var data = ev.dataTransfer.getData("Text");

           
            var x = document.getElementById("slide").dataset.itemLabel;
          

            var y = ev.target.dataset.itemLabel;

           
            //add improvisation box drag is valid
            if (ev.target.tagName === "DIV") {
                var eid = ev.target.id;
                var ind = parseInt(eid) - 10;
                var imgdata = tempimages[ind];
                $.each(imgdata, function (key, value) {
                    if (key == 'label')
                        y = value;
                    //alert(key + ": " + value);
                });
               // alert(imgdata[1]);
                //y = ev.target.children[0].dataset.itemLabel;
                //alert(y);
            }

            //console.log(x);
            //console.log(y);
          
            if (x == y) {
                ev.currentTarget.style.backgroundColor = 'initial';
                ev.currentTarget.style.backgroundImage = 'initial';
                ev.currentTarget.style.border = 'initial';
                var pParagraph = ev.currentTarget.firstElementChild;

                pParagraph.style.visibility = "hidden";

                item = this.item;
                tempimages = tempimages.filter(a => a.label !== item.label);


                
                if (tempimages.length == 0) {
                    rvalue();
                    hiddenimage();
                    animateCongrat();

                }
                displayAllImages();
            } else {

            }
        }


        //----------------------------->>>animate congarat starts here-------------------------------------------------------------

        var timeOut;

        function animateCongrat() {

           
            //debugger;
            $('.congrats').show();

            clearTimeout(timeOut);
            addBlueBody();


            hideCongratAndBlueBody();
        }



        function addBlueBody() {

            $("html").css("background-color", "  #070755  ");
            $('body').addClass('bodyblue')

            //console.log(url);
            $('#container').hide();
            $('#2container').hide();
            $('#3container').hide();
            $('#2').hide();
            $('.completed').hide();




        }

        function hideCongratAndBlueBody() {
            timeOut = setTimeout(() => {
               
                $('.congrats').hide();
                $("html").css("background-color", "");
                $('body').removeClass('bodyblue')
                $('#container').show();
                $('#2container').show();
                $('#3container').show();
                $('#2').show();

                $('.completed').hide();


                changemainbackground();
            }, 10000);

        }

    </script>

关于javascript - 使用 jquery 向正文显示一个类不起作用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/53512277/

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