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POhtml 5 counter on drop function
 

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    <p>i am trying to make some sort of puzzle. I have red this tutorial: <a href="http://www.html5rocks.com/tutorials/dnd/basics/" rel="nofollow">http://www.html5rocks.com/tutorials/dnd/basics/</a> changed text div to picture and everything is working perfectly, until point, where i want to add counter on moves. With text, everything is working well, but if i have image, count number is overwriting my image i tried with </p> <pre><code>document.getElementById("some-new-div").innerHTML+= 'moves: ' + newCount; </code></pre> <p>but it is not working</p> <pre><code> this.handleDrop = function(e) { // this/e.target is current target element. if (e.stopPropagation) { e.stopPropagation(); // stops the browser from redirecting. } // Don't do anything if we're dropping on the same column we're dragging. if (dragSrcEl_ != this) { dragSrcEl_.innerHTML = this.innerHTML; this.innerHTML = e.dataTransfer.getData('text/html'); // Set number of times the column has been moved. &lt;----------------------------------------------- var count = this.querySelector('.count'); var newCount = parseInt(count.getAttribute('data-col-moves')) + 1; count.setAttribute('data-col-moves', newCount); count.textContent = 'moves: ' + newCount; //document.getElementById("count1").innerHTML+= 'moves: ' + newCount; } return false; }; </code></pre> <p>i will post whole html document i hope it is ok.</p> <pre><code>&lt;!DOCTYPE HTML&gt; &lt;html&gt; &lt;head&gt; &lt;link rel="stylesheet" type="text/css" href="styl.css"&gt; &lt;title&gt;&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="columns-full"&gt; &lt;table&gt; &lt;tr&gt;&lt;td&gt;&lt;div class="column"&gt;&lt;div class="count" data-col-moves="0"&gt;&lt;img src='img/img1.jpg' alt='img1.jpg' /&gt;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div class="column"&gt;&lt;img src='img/img2.jpg' alt='img2.jpg' /&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div class="column"&gt;&lt;img src='img/img3.jpg' alt='img3.jpg' /&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div class="column"&gt;&lt;img src='img/img4.jpg' alt='img4.jpg' /&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt; &lt;/table&gt; &lt;/div&gt; &lt;div class="count1" data-col-moves="0"&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; &lt;script&gt; Element.prototype.hasClassName = function(name) { return new RegExp("(?:^|\\s+)" + name + "(?:\\s+|$)").test(this.className); }; Element.prototype.addClassName = function(name) { if (!this.hasClassName(name)) { this.className = this.className ? [this.className, name].join(' ') : name; } }; Element.prototype.removeClassName = function(name) { if (this.hasClassName(name)) { var c = this.className; this.className = c.replace(new RegExp("(?:^|\\s+)" + name + "(?:\\s+|$)", "g"), ""); } }; var samples = samples || {}; // Full example (function() { var id_ = 'columns-full'; var cols_ = document.querySelectorAll('#' + id_ + ' .column'); var dragSrcEl_ = null; this.handleDragStart = function(e) { e.dataTransfer.effectAllowed = 'move'; e.dataTransfer.setData('text/html', this.innerHTML); dragSrcEl_ = this; // this/e.target is the source node. this.addClassName('moving'); }; this.handleDragOver = function(e) { if (e.preventDefault) { e.preventDefault(); // Allows us to drop. } e.dataTransfer.dropEffect = 'move'; return false; }; this.handleDragEnter = function(e) { this.addClassName('over'); }; this.handleDragLeave = function(e) { // this/e.target is previous target element. this.removeClassName('over'); }; this.handleDrop = function(e) { // this/e.target is current target element. if (e.stopPropagation) { e.stopPropagation(); // stops the browser from redirecting. } // Don't do anything if we're dropping on the same column we're dragging. if (dragSrcEl_ != this) { dragSrcEl_.innerHTML = this.innerHTML; this.innerHTML = e.dataTransfer.getData('text/html'); // Set number of times the column has been moved. &lt;----------------------------------------------- var count = this.querySelector('.count'); var newCount = parseInt(count.getAttribute('data-col-moves')) + 1; count.setAttribute('data-col-moves', newCount); count.textContent = 'moves: ' + newCount; //document.getElementById("count1").innerHTML+= 'moves: ' + newCount; } return false; }; this.handleDragEnd = function(e) { // this/e.target is the source node. [].forEach.call(cols_, function (col) { col.removeClassName('over'); col.removeClassName('moving'); }); }; [].forEach.call(cols_, function (col) { col.setAttribute('draggable', 'true'); // Enable columns to be draggable. col.addEventListener('dragstart', this.handleDragStart, false); col.addEventListener('dragenter', this.handleDragEnter, false); col.addEventListener('dragover', this.handleDragOver, false); col.addEventListener('dragleave', this.handleDragLeave, false); col.addEventListener('drop', this.handleDrop, false); col.addEventListener('dragend', this.handleDragEnd, false); }); })(); &lt;/script&gt; </code></pre> <p>thanks and sorry for my bad english</p>
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