Shulou(Shulou.com)06/02 Report--

In this issue, the editor will bring you about the ten mistakes that are easy to make in CSS coding. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

Are you familiar with the top ten mistakes made by Yi Fan in CSS coding? here, there are often some problems when writing CSS style, some problems can be solved quickly, and some problems may waste a lot of energy and time. Here is a summary.

Top Ten errors of Yi Fan in CSS coding

When writing CSS styles, there are often problems, some problems can be solved quickly, and some problems may waste a lot of our energy and time. Especially novice friends, do not know much about all aspects of knowledge, coding experience is also limited, encounter problems at a loss, now collect and sort out the ten easiest mistakes, hope to help you. The article is relatively simple, more knowledge welcome to visit 51cto.com to get more CSS page layout tutorials.

Check whether the HTML element is misspelled and if you forget the closing tag

Even veterans often get the nesting relationship of div wrong. You can use dreamweaver's verification function to check for errors.

Check whether the CSS is correct

Check to see if there are any spelling mistakes, if you forget the ending}, etc. You can use CleanCSS to check for spelling errors in CSS. CleanCSS is supposed to be a weight loss tool for CSS, but it can also check for spelling mistakes.

Third, determine the location of the error

If the error affects the overall layout, you can delete the div blocks one by one until the display returns to normal after deleting a div block to determine where the error occurred. Of course, pay attention to the backup of the original code before testing.

Fourth, use the border attribute to determine the layout characteristics of the error elements.

Accidentally laying out using the float attribute can lead to errors. At this point, add the border attribute to the element to determine the element boundary, and the cause of the error will be revealed.

5. The parent element of the float element cannot specify the clear attribute

Under MacIE, if you use the clear attribute on the parent element of the float element, the layout of the surrounding float elements will be confused. This is MacIE's famous bug. If you don't know it, you will take a detour.

6. The float element must specify the width attribute.

Many browsers have bug when displaying float elements that do not specify a width. So be sure to specify the width attribute for the float element, regardless of its content.

7. Float elements carefully specify attributes such as margin and padding

IE has bug when displaying float elements that specify margin and padding. So be careful to specify the margin and padding attributes on the float element. You can also use the hack method to specify a special value for IE. 52CSS.com has a detailed introduction to this knowledge.

The sum of the widths of float elements should be less than 100%.

If the sum of the widths of the float elements is exactly 100%, some old browsers will not display properly. So make sure the sum of the widths is less than 99%.

9. Has the default style been reset?

Some properties, such as margin, padding, etc., will be interpreted differently by different browsers. Therefore, * * set all margin and padding to 0, list style to none and so on before development.

Did you forget to write DTD

If the results are different no matter how you adjust the display in different browsers, you can check to see if you forgot to write DTD at the beginning of the page.

The above are the ten mistakes that are easy to make when the editor shares the CSS coding. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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