image slider using javascript

in the body loading process, the body is loaded, and when the Window.onload event is triggered, the imgThe object may not have finished loading, and the Img.onload event will fire after Window.onload.Based on the above problem, consider the browser compatibility and page load time, try not to put too many images in the image object, otherwise under the FFwill affect the download speed of the page. Of course, if you do a pre-load function after window

HTML Basics |javascript| Notes | tutorials 　　Url If the FTP server is using the default port 23, it is also like HTTP for 801, do not write; The URL is case sensitive; If the base URL is not explicitly set, the relative URL uses the directory path of the current page as the base URL; /represents the root directory; .. /represents the parent directory of the current directory; ./represents the current direct

/7.jpg"; arr [1] = ".. /images/hao123/8.jpg"; arr [2] = ".. /images/hao123/9.jpg"; var photo = document. getElementById ("topPhoto"); if (num = arr. length-1) num = 0; // if the last image is displayed, the image serial number is changed to the first serial number else num + = 1; // The image serial number plus a photo. src = arr [num];} setInterval ("changeImg1

This article mainly gives you detailed information on how to achieve image Slide Based on javascript, which has some reference value. If you are interested, you can refer to the slides written by others today, it looks cool. When I read the source code, it seems a little difficult. I just copied it and wrote it to achieve the same effect as the original webpage. However, my js Code has simple logic and need

During website development, you often need to browse a large number of images on a certain page. javascript is used to implement an image browser, so that users do not have to wait too long to see other image websites. When developing, users often need to browse a large number of images on a page. If traffic is taken into account, as with pconline, only one

Image pre-loading must be familiar to everyone. There are many ways to implement the pre-loading of images, including using CSS, JavaScript, and various combinations of the two. These technologies can be used to design corresponding solutions based on different design scenarios, which is very efficient. Method 1: implement pre-loading with CSS and

This article mainly introduces Javascript image pre-loading to help you understand the implementation principle of Javascript image pre-loading, if you are interested, you can refer to pre-loading images as a good way to improve user experience. When images are pre-loaded into the browser, visitors can smoothly surf yo

Almost all major web sites offer browsing image features, but to the user feel very different, some sites are good, but also have a website to browse pictures from this one to the next URL will change, obviously browsing is through get way through a request to achieve, this way, a sense of pause, the server request too frequently. But by using AJAX requests for a set of

Native javaScript implements the method of image delayed loading, and javascript delayed Loading This example describes how to implement delayed image loading using native javaScript. In fact, the jquery plug-in is available for

Integrated javascript image switching instances (Cyclic switching and sequential switching) and javascript instances The examples in this article introduce the two methods of javascript image switching, the example code of cyclic switching and sequential switching, and share

When a webpage loads an image with a relatively large size, the page is often deformed and becomes ugly, as a result, we thought of using JS to control the scaling of images beyond a certain range, such as js. This function is very practical. When a webpage loads a large image, the page is often deformed by a Web page, so we thought of

This article mainly introduces the JavaScript-based pop-up window for image clicking instead of saving the relevant information. If you need it, you can refer to the plug-in that you have always wanted to install a thumbnail clicking pop-up, however, I found that php is used almost all of them. The use and installation of plug-ins are extremely cumbersome. So I checked some demos online and implemented a pu

This article mainly introduces the seamless scrolling of Javascript images. Interested friends can refer to the seamless rolling effect of Javascript to see it on almost any web page, some may be using plug-ins. In fact, using the original javascript is relatively simple. I

zoomed in or out (resize process), you need to re-generate a new watermark to adapt to the page size without refreshing the page to ensure that all content is covered by the watermark, the scroll bar is not generated because the watermark image range is too large. 5. Supports IE6 \ 7 \ 8 browsers. Other browsers are not considered for the moment. 1.3 Before encryption: After encryption: You can open the file in the attachment for viewing.2 impleme

This article mainly introduces how to implement image carousel using JavaScript and how to implement image carousel Switching Using pure javascript. It has some reference value, for more information about how to implement

You can use Javascript to determine the image size. In fact, you only need to write a simple function. You can use other languages to determine the image size. The process is complicated. You can use Javascript to easily determine how to use Javascript to determine the

This article mainly introduces how to modify the image src using javascript. You can modify the src function by obtaining and assigning values for a simple image src, for more information about how to modify the image src using

JavaScript implements simple image flip, and javascript implements flip This example describes how to implement simple image flip using JavaScript. Share it with you for your reference. The details are as follows: In this case, ta

This article mainly introduces three methods to determine whether an image is loaded by using JavaScript. This article describes three methods: onload method, javascept native method, and jquery method, for more information, see. sometimes, in front-end development, to obtain image information, you must obtain the size

Javascript| objects with a large number of high-resolution images can indeed make a Web site radiant. But the same can also cause the site access speed drop-the picture is a file, the file will occupy bandwidth, and bandwidth directly related to the access wait time. Now, let's learn a little trick called image preloading to improve the speed of image access. Som