PHP

In my daily development, I usually use H1 ~ H4. We recommend that you set H1 ~ H6 is used. The HTML tag has a special tag processing page title. They are h1, h2, h3, h4, h5 and h6. Like a feudal society, h1 is the omnipotent monarch and h6 is the

Readonly and Disabled are two attributes used in a form. They both enable users not to change the content in the form field. However, there are slight differences between them. I have summarized some rules in practice as follows: Readonly is only

The following lists 10 important issues in IE6. This is the browser viewing rate in visitor details in the statistics system of this site. IE6 accounts for more than 40 percent. Although there are many types of browsers, a single IE has multiple

Custom tags can be freely used in xml files. Custom tags can also be used in html files, but there are several precautions: & lt; html & gt; the xmlns attribute of the tag. For example, you can declare: & lt; htmlxmlns: article & gt ;. This is

In general, after a webpage design is completed, the designer's ignorance is exposed and criticized. They leave the heavy work of creating web code to programmers. This phenomenon not only occurs in the network development industry, but also in the

Nothing left to worry about, and suddenly remembered the implementation of the rounded rectangle. However, this topic has been discussed for a long time. Various implementation solutions are available on the Internet. Here is just a record of what I

HTML beginners often encounter such a problem: how to correctly reference a file. For example, how to reference another HTML webpage as a hyperlink in an HTML webpage )? How to insert an image into a webpage if you use the wrong file path when

Long quotes use blockquote, short quotes Use q, and references use cite. In practice, we usually only use blockquote and q. According to the HTML specification, there are three elements used to reference the content, that is, & lt; blockquote & gt; &

The hyperlink a mark represents a link point. It is short for anchor (anchor. It connects text or images at the current position to other pages, texts, or images. This is well known, but its syntax structure may be a little unknown, to live it, you

English: link A will automatically complete href. Signature. Thehrefattributeis English: link A will automatically complete href. Whilst working on the Ajax Link Tracker and MapSurface I have come into SS an inconsistency in how the href attribute

You can set the row spacing of & lt; p & gt; Using style & quot; line-height: 3px; & quot. However, if the last line of text is set in this way, only half of the text will appear. For example, 1. Solution: add an empty & lt; p & gt; under the last

A hyperlink is an HTML element that is frequently used in a website, because various pages of a website are connected by a hyperlink, And the hyperlink completes the jump between pages. Superlinks are the main means for interactions between viewers

Q: I have used CSS to define the hyperlink style, but hover does not work during browsing. Why? Is it a browser problem? A: Although you think it may be caused by browser problems, it is more likely that the order of your style definitions is

Insert an Image Tag & lt; IMG & gt; today's rich web pages are all due to the role of images. Think about the past, all the web pages on the Internet are plain text pages. It's boring to know the importance of images in web page design. You can

When designing a webpage, we always encounter unpleasant things. The most common thing is to add content in the background before we find that the displayed page is opened, which leads to the extremely bad appearance of the webpage. In the past, we

By default, the width and height of the header are automatically adjusted based on the content. You can also manually set the width and height of the header. Basic syntax & lt; THWIDTHvalueHEIGHTvalue & gt; the syntax defines the width of the header

In a row, you can define a hidden border color. Basic syntax & lt; TRBordercolordarkcolor_VALUE & gt; when defining a color, you can use an English Color name or a hexadecimal color value. Example: 10-21.htm sets the color of the line's dark border.

The highlighted border color can be defined separately in the row. Basic syntax & lt; TRBordercolorlighhtcolor_VALUE & gt; when defining a color, you can use an English Color name or a hexadecimal color value. Example: 10-20.htm: Set the line-light

In a complex table structure, some cells span multiple cells in the vertical direction, which requires the cross-column attribute COLSPAN. Basic syntax & lt; TDCOLSPANVALUE & gt; Syntax interpretation VALUE indicates the number of columns across

Set a background image for the table. You can use any GIF or JPEG image file. Basic syntax & lt; TABLEBACKGROUNDFILE_name & gt; the complete or relative path of the file to be written when the background image is defined. Example: 10-8.htm sets the