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POreplacing img src attribute w/ jQuery not working
 

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  1. POreplacing img src attribute w/ jQuery not working
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    <p>I'm trying to create simple slideshow where if I click the image it will turn into the next image. So far I have four images in a subfolder, named 1-4 (ex: 1.jpg, 2.jpg, 3.jpg, 4.jpg). I've set up a counter (the variable imgcounter) so that if it is greater than 4 it will reset to 1, and I use this counter to easily change the src name of the img element. </p> <p>The simple version: </p> <pre><code>$(document).ready(function() { var imgcounter = 1; $('#slide img').each(function() { $(this).click(function() { if(imgcounter &lt;= 4 ) { imgcounter++; $(this).attr('src', 'images/' + imgcounter + '.JPG'); } // end if else { var imgcounter = 1; $(this).attr('src', 'images/' + imgcounter + '.JPG'); } // end else }); // end click }); // end each }); // end ready </code></pre> <p>In this version the image will not even change if I click it.</p> <p>I've also tried this more complicated method where I put a variable to define what I want to replace source with. I'm not sure if I'm using the replace() function right, especially at the part where I used double apostrophes '' to indicate I want to replace the entire src. I'm also not sure if I wrote out the second part of the replace() function legitimately -- the 'images/' + imgcounter + '.JPG'.</p> <pre><code>$(document).ready(function() { var imgcounter = 1; $('#slide img').each(function() { var imgFile = $(this).attr('src'); var preloadImg = new Image(); $(this).click(function() { if(imgcounter &lt;= 4 ) { imgcounter++; preloadImg.src = imgFile.replace('', 'images/' + imgcounter + '.JPG'); $(this).attr('src', preloadImg.src); } // end if else { var imgcounter = 1; preloadImg.src = imgFile.replace('', 'images/' + imgcounter + '.JPG'); $(this).attr('src', preloadImg.src); } // end else }); // end click }); // end each }); // end ready </code></pre> <p>In this version the image changed but I get a broken image symbol and the error console reads: Failed to load resource file:///..(took out full path)../images/1.JPGimages/1.JPG I'm not sure why it's failing to replace the entire source and instead it just seems to append a copy of the source name at the end...</p> <p>Thanks for any help in advance!</p>
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    1. COHmm in the first version if I place "var imgcounter = 1;" right below the click() function, the first click works and the image changes. But then if I click the image again it will not move to the next image.
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    2. COYou don't really need the `.each()` function. Also, you're redeclaring the variable `imgcounter` in the `else` block.
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    3. COhmm you're right. Didn't catch that. Would I need an each() function if I had multiple image elements?
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