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    <p>It means that the property is not defined at that point. So check if you have defined the property.</p> <p>The question obviously needs the source-code to be answered. Please put them.</p> <p><strong>EDIT</strong></p> <p>Its an out of bound problem. Change this line:</p> <pre><code>generatedProductDisplay = '&lt;div id="'+productJSON[a].id+'" class="productDiv"&gt;&lt;a class="productLink" href="#"&gt;&lt;center&gt;&lt;div class="productImage"&gt;&lt;img src="'+productJSON[a].image+'" width="100%" height="200px" alt="'+productJSON[a].name+'"&gt;&lt;/div&gt;&lt;div&gt;&lt;p class="productName"&gt;'+productJSON[a].name+'&lt;/p&gt;&lt;/div&gt;&lt;/center&gt;&lt;/a&gt;&lt;/div&gt;'; </code></pre> <p><code>a</code> contains value out of the range of the array. Change it to <code>i</code>.</p> <p>As you have not stated your logic. I assume that the inner loop does nothing (from what i can derive) and suggest this:</p> <pre><code>for(var i=0;i&lt;productJSON.length;i++){ var pagedisplay = ''; var generatedProductDisplay = ''; generatedProductDisplay = '&lt;div id="'+productJSON[i].id+'" class="productDiv"&gt;&lt;a class="productLink" href="#"&gt;&lt;center&gt;&lt;div class="productImage"&gt;&lt;img src="'+productJSON[i].image+'" width="100%" height="200px" alt="'+productJSON[i].name+'"&gt;&lt;/div&gt;&lt;div&gt;&lt;p class="productName"&gt;'+productJSON[i].name+'&lt;/p&gt;&lt;/div&gt;&lt;/center&gt;&lt;/a&gt;&lt;/div&gt;'; pagedisplay = pagedisplay+generatedProductDisplay; pagedisplay = pagedisplay+'&lt;br/&gt;'; $(".productDisplay").append(pagedisplay); } </code></pre> <p><strong>EDIT 2</strong></p> <p>As i still didnt understand your inner loop, here is my take on it:</p> <p>Without inner loop:</p> <pre><code>http://jsfiddle.net/guSLL/ $(document).ready(function() { var productJSON = [ { id: "1001", name: "Hopper1", image: "images/290161k.jpg"}, { id: "1002", name: "Hopper2", image: "images/290161k.jpg"}, { id: "1003", name: "Hopper3", image: "images/290161k.jpg"}, { id: "1004", name: "Hopper4", image: "images/290161k.jpg"}, { id: "1005", name: "Hopper5", image: "images/290161k.jpg"}, { id: "1006", name: "Hopper6", image: "images/290161k.jpg"}, { id: "1007", name: "Hopper7", image: "images/290161k.jpg"}, { id: "1008", name: "Hopper8", image: "images/290161k.jpg"} ]; for (var i = 0; i &lt; productJSON.length; i++) { var pagedisplay = ''; generatedProductDisplay = '&lt;div id="' + productJSON[i].id + '" class="productDiv"&gt;&lt;a class="productLink" href="#"&gt;&lt;center&gt;&lt;div class="productImage"&gt;&lt;img src="' + productJSON[i].image + '" width="100%" height="200px" alt="' + productJSON[i].name + '"&gt;&lt;/div&gt;&lt;div&gt;&lt;p class="productName"&gt;' + productJSON[i].name + '&lt;/p&gt;&lt;/div&gt;&lt;/center&gt;&lt;/a&gt;&lt;/div&gt;'; pagedisplay = pagedisplay + generatedProductDisplay; pagedisplay = pagedisplay + '&lt;br/&gt;'; $(".productDisplay").append(pagedisplay); } $(".productDiv").live("click", function() { alert("Hello"); }); }); </code></pre> <p>With inner loop:</p> <p><a href="http://jsfiddle.net/guSLL/1/" rel="nofollow">http://jsfiddle.net/guSLL/1/</a></p> <pre><code>$(document).ready(function() { var productJSON = [ { id: "1001", name: "Hopper1", image: "images/290161k.jpg"}, { id: "1002", name: "Hopper2", image: "images/290161k.jpg"}, { id: "1003", name: "Hopper3", image: "images/290161k.jpg"}, { id: "1004", name: "Hopper4", image: "images/290161k.jpg"}, { id: "1005", name: "Hopper5", image: "images/290161k.jpg"}, { id: "1006", name: "Hopper6", image: "images/290161k.jpg"}, { id: "1007", name: "Hopper7", image: "images/290161k.jpg"}, { id: "1008", name: "Hopper8", image: "images/290161k.jpg"} ]; for (var i = 0; i &lt; productJSON.length;) { var pagedisplay = ''; for (j = 0; j &lt; 2 &amp;&amp; i &lt; productJSON.length; j++, i++) { generatedProductDisplay = '&lt;div id="' + productJSON[i].id + '" class="productDiv"&gt;&lt;a class="productLink" href="#"&gt;&lt;center&gt;&lt;div class="productImage"&gt;&lt;img src="' + productJSON[i].image + '" width="100%" height="200px" alt="' + productJSON[i].name + '"&gt;&lt;/div&gt;&lt;div&gt;&lt;p class="productName"&gt;' + productJSON[i].name + '&lt;/p&gt;&lt;/div&gt;&lt;/center&gt;&lt;/a&gt;&lt;/div&gt;'; pagedisplay = pagedisplay + generatedProductDisplay; pagedisplay = pagedisplay + '&lt;br/&gt;'; } $(".productDisplay").append(pagedisplay); } $(".productDiv").live("click", function() { alert("Hello"); }); }); </code></pre>
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    1. CODear Sir the inner loop is for controlling the number of columns in the webpage. means I can control the number of products to (2-3) etc.
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      1. USAnkur Jain
    2. CO@AnkurJain Then inorder to answer this, we need the HTML markup also. Also state your logic of what you are trying to accomplish. This is required inorder to find what is exactly wrong. 1 Golden rule is to imagine yourself answering this question and asking yourself "do i have all the requred information to answer this?"
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    3. COthanks a lot for ur suggestion sir, I will be carefull next-time, now I have pasted the whole code. U can check it out now.
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