Javascript swap img src

Our earlier post, Quick and Easy jQuery Image Swap has always been popular, so today we are going to use this code to create the ultimate jQuery image swap gallery with just 3 lines of code and 2 lines of CSS. All we need for the gallery is the initial, main image and an unordered list holding the image thumbnails.

javascript swap img src

Although the 3 lines of jQuery will work, we can make the gallery far better if we use our image preload functionfrom our previous tutorial. You can obviously improve on the features but if you are looking for a simple solution without having to understand setting up and styling a complicated gallery plugin and lets face it some of them are complicated!

I would like to ask you if it is possible to add a zoom button in order to display a biger version of the image. Hello, really helpful tutorial! Thank you! I have a question for you. How can I change the code in order to retrieve the url of an image using custom fields?

The values have to be available on the page so you need to generate the image URL in your theme files. I would like also to ask you how I could add a button of zoom and a next and previous photo button. Hi Lee, thanks for your great work. All right! Really thanks for all your time. Thanks for this, it works brilliantly! I have modified it so it changes the main image on click instead of hover, but am unsure of how to have it change the cursor to the hyperlink one so people know that they are clickable.

First off i am no jquery expert, this is pretty much my first attempt at inputting one into a website. Any help would be greatly appreciated. So the complete jQuery code would be:. Also thank you for the prompt response, end the headache a little sooner. It can be added with additional jQuery to swap the href attribute. This can be added by chaining onto the end of the current code that swaps the image src:.

How can I make the first image in the list show up as the main image, until one of the other thumbnails is clicked? Hello: I am new to jquery and I really want to use this function, but I cannot seem to get it to work.

I am using your all of your codes replacing the source file names with my own, but it is just not working for me. I have downloaded the latest version of jquery.Coding tips, tricks, and treasures. Get the weekly email website developers read:. Thank you! For security, an email sent to needs your action.

To confirm your subscription, click on the link in that email. On the page is a large image and some thumbnail images. The large image is swapped with another when a thumbnail image is tapped or clicked or moused over. The thumbnail images are rendered from the full-size image files, just resized within their image tags to appear as thumbnails.

Using Javascript To Switch Images

All JavaScript for this functionality is within the onclick or onmouseover attributes of the thumbnail images. No other JavaScript required. The image swap appears instant because all images for the functionality are preloaded automatically.

No pause while the replacement image is loading. Because the thumbnail images are from the full-size image files, the browser automatically pre-loads the full-size images. It has to in order to display the thumbnails. When a thumbnail image is clicked, tapped, or moused over, it replaces the large image. The id value of the large image tag is used as a reference when making the swap. In this example, the large image is swapped when the mouse pointer moves over the thumbnail or, on touch screens, when the thumbnail is tapped.

One — List the URLs of the images to be used.

javascript swap img src

Decide which one will display as the large image when the page first loads. Change the id value to one you prefer. The id value is large-image-id in all example code on this page.

Change the width and height CSS property values to the width and height the large image will have. When the large image is swapped with another, the new image will be displayed at the same size as the previous image. Five — Put the image tags for the large image and the thumbnails into the web page source code where they shall display. You now have image swap functionality that really works.

And it was relatively easy to implement. Was this article helpful to you? Some of our support is from people like you who see the value of all that's offered for FREE at this website.Insert images from different locations How to insert images from another folder or from another web site.

Make a hyperlink of an image How to add a hyperlink to an image. Create an image map How to create an image map, with clickable regions. Each region is a hyperlink. If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:. HOW TO. Your message has been sent to W3Schools.

W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.

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While using this site, you agree to have read and accepted our terms of usecookie and privacy policy. Copyright by Refsnes Data. All Rights Reserved. Powered by W3. Not supported in HTML5. Specifies the alignment of an image according to surrounding elements.

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Specifies the width of the border around an image. Specifies the whitespace on left and right side of an image. Specifies the whitespace on top and bottom of an image.This post is actually going to briefly explain how to preload an image with javascript, then add it to the page either as a new image or replacing an existing image.

In the old days, we would have done this in one of two ways: 1 Make the link actually lead to a different page with that new image shown or 2 Load all of the images at once, hiding them with CSS, slowing down the initial load time of the page.

With the Javascript image object, however, you can actually preload the images when the appropriate thumbnail is clicked or even after the page finishes loading. To do this, you need to first identify each of your images, thumbnails and the area in which you want the full-sized image to load. Your HTML might look something like:. This type of function can be used in conjunction with AJAX to switch out images and content and much more.

Also, in my example, I set up the links so that they will actually lead to a different version of the same page if javascript is disabled. You will need to set up that function for yourself. The images were downloaded from Google Images search. I claim no ownership or rights to any of the images in the archive. Two of the full-sized images are actually not JPG images, I just changed the extension to make it work with the simple script I wrote.

Or, you could simply make sure that all of your images are the same file type. Good luck. Did you like this post? Get monthly summary of our new tutorials, posts and tips to your inbox!

Remember me. Popular tutorial: How Framework7 and PhoneGap fit together. HTML Center. Home Tutorials About. Using Javascript To Switch Images. They specify the width and height newImg. Post Your Comment Cancel reply Your email address will not be published.

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JavaScript is the most popular lightweight scripting language which works in the major browsers such as Internet Explorer, Chrome, Safari, Firefox, and Opera. It is also easy to use to build a dynamic and interactive website.

javascript swap img src

One of its useful functionalities is image rollover that is changing an image into another image when a mouse hovers over the original image. Then the new image will change back to the original one when the mouse moves away. This article will show you how to do just that step by step; therefore, knowing some basic HTML and JavaScript is required. Log in Facebook Loading Google Loading Civic Loading No account yet?

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Related Articles. Prepare two images for the rollover effect. Select two different images to make a rollover image and save them in the same folder where you will save your HTML file displaying a rollover image. Open any text editor of your choice.Learn Development at Frontend Masters. Gaze upon this easy syntax:.

Plus it has the opportunity to be much better in the future with browser settings and browser improvements. The browser then does all the work figuring out which one will be best.

How to swap images using javascript

Mat Marquis demonstrated this by showing how the browser approaches it with math. Now another browser visits the site. That browser does the same mathonly then goes:. Think of srcset as suggestions or just extra information to help a browser decide. Ultimately it can do what it thinks is right.

That means:. If you want, you can get all kinds of specific about it. You can use sizes to match your CSS layout exactly and tell the browser exactly how big that image is going to be on every screen size, matching how your breakpoints work in your design. Eric Portis just wrote about this.

javascript swap img src

Ideally it can be automated or injected server-side. On a kinda generic blog-ish site, maybe something like this is smart within content:. Here they are, use the right one. This is a very confusing subject. It needs to get thought about and written about so it can shake out and become a more ingrained part of our collective front end developer consciousness. Tim Evko created a WordPress plugin for responsive images. Then you click the image you want, and it ultimately outputs the responsive images code needed for it.

Tim is trying to understand all this so he can figure out if and how to change that plugin. If you want it right now and want great browser supportyou need to polyfill it.Home Categories. Here Mudassar Ahmed Khan has explained how to rotate images or pictures automatically using timed image swap technique in which image is swapped changed every specific interval. He has used JavaScript setInterval function at act as a timer which will swap images at regular intervals. Related Articles.

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OnClick function and getting element by ID in javascript

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