Objects are similar to classes in JAVA and maintain OO characteristics. A CSS object consists of 4 parts: HTML that may be one or more DOM nodes; CSS style declaration starting from the class name of the wrapper node; sprites components such as background
Computer-generated images with simple forms (such as logos, icons) are preferred in PNG format, while photos with rich colors must be JPEG. If there are few colors and no gradients, the GIF format should be used.
If several people are working on the front desk of a website at the same time, how can they be allocated so that the style of the entire website is unified, the style file structure is reasonable, there is no duplication and redundancy, and the efficiency
Use more pictures in website design to indirectly convey some information. Some pictures that have nothing to do with the product can also change the user's impression of the website and subconsciously affect the user's desire to consume.
WordPress allows us to batch edit article attributes, but only 15 items are displayed on each page. Sometimes, you may feel that it is not enough and want to add more.
A value in JavaScript is always of a certain type. For example, a string or a number.There are eight basic data types in JavaScript. Here, we’ll cover them in general and in the next chapters we’ll talk about each of them in detail.We can put any type in
The most commonly used layout properties in CSS are Float (detailed explanation of CSS floating property Float) and the other is the CSS positioning property Position.
Some websites focusing on CSS and XHTML, Web 2.0 and Web standards are discussing how to remove the dashed box (outline) around hyperlinks when the mouse is clicked, such as outline:none or outline:0.
Although people expect some changes on the screen, CSS and HTML can do too little for interaction in the page, and those still need to be implemented in code.
When the mouse comes out of SPAN, the mouseout event is triggered because the event bubbles up. The item's onmouseout event secondary menu disappears, but at this time, the item is moved into the item and the mouseover event is triggered, so it is dis