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Site menus are usually at the top. After reading a long document, there is the inconvenience of having to scroll for a while to go back to the menu. There are many places to provide a link to the top to get rid of this inconvenience. Creating a simple link will instantly move you to the top, but jQuery's scrollTop () makes it easy to create an effect that slurries up to the top. Create a link in..

You can get the horizontal size of a specific element by query width, innerWidth, outerWidth. width - padding inside size innerWidth - border inside size outerWidth - border size including The following is an example of adding padding and margin to see how each value changes. border 1px, width 500px border 1px, width 500px, padding 10px border 1px, width 500px, padding 10px, margin 10px

You need the ability to move to the desired position by pressing a specific button while developing the Web. The logic is not difficult. After receiving the position value of the corresponding area, the scroll may be moved to that position. Below is the code.

How to change the image with the attr function. It doesn't matter if you change the id value or the class name. $("#imgID).attr("src","/data/img2.png"); Just remember that phrase.