javascript - "Working"脚本返回未捕获的 DOMException : Failed to execute 'insertBefore' on 'Node' : The new child element contains the parent

Question

我正在构建一个页面，该页面首先从外部页面(非跨域)获取 HTML 数据，然后在第一个函数完成后，它运行一个作为插曲的函数。它有效...或多或少...

我遇到的问题是，在 5 或 6 张幻灯片之后，整个事情变得困惑，然后一切都消失了。检查控制台时，我发现以下消息:

Uncaught DOMException: Failed to execute 'insertBefore' on 'Node': The new child element contains the parent.
    at HTMLDivElement.<anonymous> (xxxxxxxxxxxxxxxxx.com/jquery/jquery-1.12.4.js:6297:21)
    at domManip (xxxxxxxxxxxxxxxxx.com/jquery/jquery-1.12.4.js:6066:14)
    at jQuery.fn.init.after (xxxxxxxxxxxxxxxxx/jquery/jquery-1.12.4.js:6295:10)
    at HTMLDivElement.<anonymous> (xxxxxxxxxxxxxxxxx.com/go/scripts/jqueryautoscroll/autoscroll.js:41:47)
    at HTMLDivElement.opt.complete (xxxxxxxxxxxxxxxxx/jquery/jquery-1.12.4.js:7900:12)
    at fire (xxxxxxxxxxxxxxxxx.com/jquery/jquery-1.12.4.js:3232:31)
    at Object.fireWith [as resolveWith] (xxxxxxxxxxxxxxxxx/jquery/jquery-1.12.4.js:3362:7)
    at tick (xxxxxxxxxxxxxxxxx.com/jquery/jquery-1.12.4.js:7755:14)
    at jQuery.fx.tick (xxxxxxxxxxxxxxxxx.com/jquery/jquery-1.12.4.js:8069:9)

我认为这与 container.find(elm + ':first').before(container.find(elm + ':last')); 有关。所以我尝试注释所有行，错误消失了，但 slider 不会改变。

我的代码如下:

jQuery(document).ready(function ($) {

$("#jobshome").load("jobs/newest-jobs .js-toprow", function(){
    //rotation speed and timer
    var speed = 3000;
    var run = setInterval(rotate, speed);
    var slides = $('.js-toprow');
    var container = $('#jobshome');
    var elm = container.find(':first-child').prop("tagName");
    var item_height = container.height();
    var previous = 'prevabc'; //id of previous button
    var next = 'nextabc'; //id of next button
    slides.height(item_height); //set the slides to the correct pixel height
    container.parent().height(item_height);
    container.height(slides.length * item_height); //set the slides container to the correct total height
    container.find(elm + ':first').before(container.find(elm + ':last'));
    resetSlides(); 


    //if user clicked on prev button

    $('#buttonsabc a').click(function (e) {
        //slide the item

        if (container.is(':animated')) {
            return false;
        }
        if (e.target.id == previous) {
            container.stop().animate({
                'top': 0
            }, 1500, function () {
                container.find(elm + ':first').before(container.find(elm + ':last'));
                resetSlides();
            });
        }

        if (e.target.id == next) {
            container.stop().animate({
                'top': item_height * -2
            }, 1500, function () {
                container.find(elm + ':last').after(container.find(elm + ':first'));
                resetSlides();
            }
      );
    }
        //cancel the link behavior            
        return false;

    });

    //if mouse hover, pause the auto rotation, otherwise rotate it    
    container.parent().mouseenter(function () {
        clearInterval(run);
    }).mouseleave(function () {
        run = setInterval(rotate, speed);
    });


    function resetSlides() {
        //and adjust the container so current is in the frame
        container.css({
            'top': -1 * item_height
        });
    }

});
//a simple function to click next link
//a timer will call this function, and the rotation will begin

function rotate() {
    jQuery('#nextabc').click();
}

});

#carouselabc {
  position: relative;
  width: 60%;
  margin: 0 auto;
}

#slidesabc {
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 250px;
}

#areadoslideabc {
  list-style: none;
  width: 100%;
  height: 250px;
  margin: 0;
  padding: 0;
  position: relative;
}

#slidesabcdef {
  width: 100%;
  height: 250px;
  float: left;
  text-align: center;
  position: relative;
  font-family: lato, sans-serif;
}


/* Styling for prev and next buttons */

.btn-barabc {
  max-width: 346px;
  margin: 0 auto;
  display: block;
  position: relative;
  top: 40px;
  width: 100%;
}

#buttonsabc {
  padding: 0 0 5px 0;
  float: right;
}

#buttonsabc a {
  text-align: center;
  display: block;
  font-size: 50px;
  float: left;
  outline: 0;
  margin: 0 60px;
  color: #b14943;
  text-decoration: none;
  display: block;
  padding: 9px;
  width: 35px;
}

a#prevabc:hover,
a#next:hover {
  color: #FFF;
  text-shadow: .5px 0px #b14943;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="carouselabc">
  <div class="btn-barabc">
    <div id="buttonsabc">
      <a id="prevabc" href="#">Previous</a>
      <a id="nextabc" href="#">Next</a>
    </div>
  </div>
  <div id="slidesabc">
    <div id="jobshome"></div>
  </div>
</div>

截图1

截图2

事情就是这样开始的

Answer 1

您的问题似乎是由于后来移动的嵌套选择器(.js-toprow)而发生的。

尝试用 .children() (仅匹配直接子级)替换所有 .find() (匹配任何级别深度的子级)。

jQuery(document).ready(function ($) {
$("#jobshome").load("jobs/newest-jobs .js-toprow", function(){
    //rotation speed and timer
    var speed = 3000;
    var run = setInterval(rotate, speed);
    var slides = $('.js-toprow');
    var container = $('#jobshome');
    var elm = container.children(':first-child').prop("tagName");
    var item_height = container.height();
    var previous = 'prevabc'; //id of previous button
    var next = 'nextabc'; //id of next button
    slides.height(item_height); //set the slides to the correct pixel height
    container.parent().height(item_height);
    container.height(slides.length * item_height); //set the slides container to the correct total height
    container.children(elm + ':first').before(container.children(elm + ':last'));
    resetSlides(); 


    //if user clicked on prev button

    $('#buttonsabc a').click(function (e) {
        //slide the item

        if (container.is(':animated')) {
            return false;
        }
        if (e.target.id == previous) {
            container.stop().animate({
                'top': 0
            }, 1500, function () {
                container.children(elm + ':first').before(container.children(elm + ':last'));
                resetSlides();
            });
        }

        if (e.target.id == next) {
            container.stop().animate({
                'top': item_height * -2
            }, 1500, function () {
                container.children(elm + ':last').after(container.children(elm + ':first'));
                resetSlides();
            }
      );
    }
        //cancel the link behavior            
        return false;

    });

    //if mouse hover, pause the auto rotation, otherwise rotate it    
    container.parent().mouseenter(function () {
        clearInterval(run);
    }).mouseleave(function () {
        run = setInterval(rotate, speed);
    });


    function resetSlides() {
        //and adjust the container so current is in the frame
        container.css({
            'top': -1 * item_height
        });
    }

});
//a simple function to click next link
//a timer will call this function, and the rotation will begin

function rotate() {
    jQuery('#nextabc').click();
}

});