This time I will bring you the 2D conversion module in HTML and CSS. What are the precautions for the 2D conversion module in HTML and CSS. The following is a practical case, let's take a look.
1. 2D conversion module
2D conversion module
/*where deg is the unit, representing how many degrees*/
transform: rotate(45deg);/*
First parameter: Horizontal direction
Second parameter: Vertical direction
*/transform: translate(100px, 0px);/*
First parameter: Horizontal direction
Two parameters: vertical direction
Note:
If the value is 1, it means no change
If the value is greater than 1, it means it needs to be enlarged
If the value is less than 1, it means it needs to be reduced
If the horizontal and vertical scaling are the same, then it can be abbreviated as a parameter
*//*transform: scale(0.5, 0.5);*/transform: scale(1.5);/*
Note:
1. If multiple transformations are required, separate them with spaces.
2. The 2D transformation module will modify the coordinate system of the element, so the translation after rotation is not a horizontal translation.
*/transform: rotate(45deg ) translate(100px, 0px);
2D conversion module
/* 第一个参数:水平方向 第二个参数:垂直方向 注意点 取值有三种形式 具体像素 百分比 特殊关键字 */ /*transform-origin: 200px 0px;*/ /*transform-origin: 50% 50%;*/ /*transform-origin: 0% 0%;*/ /*transform-origin: center center;*/ transform-origin: left top;
<html lang="en"> <head> <meta charset="UTF-8"> <title>95-2D转换模块-旋转轴向</title> <style> *{ margin: 0; padding: 0; } ul{ width: 800px; height: 500px; margin: 0 auto; } ul li{ list-style: none; width: 200px; height: 200px; margin: 0 auto; margin-top: 50px; border: 1px solid #000; /* 1.什么是透视 近大远小 2.注意点 一定要注意, 透视属性必须添加到需要呈现近大远小效果的元素的父元素上面 */ perspective: 500px; } ul li img{ width: 200px; height: 200px; /*perspective: 500px;*/ } ul li:nth-child(1){ /*默认情况下所有元素都是围绕Z轴进行旋转*/ transform: rotateZ(45deg); } ul li:nth-child(2) img{ transform: rotateX(45deg); } ul li:nth-child(3) img{ /* 总结: 想围绕哪个轴旋转, 那么只需要在rotate后面加上哪个轴即可 */ transform: rotateY(45deg); } </style> </head> <body> <ul> <li></li> <li></li> <li></li> </ul> </body> </html>
<html lang="en"> <head> <meta charset="UTF-8"> <title>96-2D转换模块-练习</title> <style> *{ margin: 0; padding: 0; } p{ width: 310px; height: 438px; border: 1px solid #000; background-color: skyblue; margin: 100px auto; perspective: 500px; } p img{ transform-origin: center bottom; transition: transform 1s; } p:hover img{ transform: rotateX(80deg); } </style> </head> <body> <p>  </p> </body> </html>
<html lang="en"> <head> <meta charset="UTF-8"> <title>97-2D转换模块-相片墙</title> <style> *{ margin: 0; padding: 0; } ul{ height: 400px; border: 1px solid #000; background-color: skyblue; margin-top: 100px; text-align: center; } ul li{ list-style: none; width: 150px; height: 200px; background-color: red; display: inline-block; //转换成行内块级元素,用于水平排版 margin-top: 100px; transition: all 1s; position: relative; box-shadow: 0 0 10px; } ul li:nth-child(1){ transform: rotate(30deg); } ul li:nth-child(2){ transform: rotate(-40deg); } ul li:nth-child(3){ transform: rotate(10deg); } ul li:nth-child(4){ transform: rotate(45deg); } ul li img{ width: 150px; height: 200px; border: 5px solid #fff; box-sizing: border-box; } ul li:hover{ /*transform: rotate(0deg);*/ /*transform: none;*/ transform: scale(1.5); //之前的旋转被层叠掉, 只执行放大 z-index: 998; //显示在最上面 } </style> </head> <body> <ul> <li></li> <li></li> <li></li> <li></li> </ul> </body> </html>I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website! Recommended reading:
The layout of web pages and clearing floats
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The above is the detailed content of 2D conversion module in HTML and CSS. For more information, please follow other related articles on the PHP Chinese website!

本篇文章带大家了解一下HTML(超文本标记语言),介绍一下HTML的本质,HTML文档的结构、HTML文档的基本标签和图像标签、列表、表格标签、媒体元素、表单,希望对大家有所帮助!

不算。html是一种用来告知浏览器如何组织页面的标记语言,而CSS是一种用来表现HTML或XML等文件样式的样式设计语言;html和css不具备很强的逻辑性和流程控制功能,缺乏灵活性,且html和css不能按照人类的设计对一件工作进行重复的循环,直至得到让人类满意的答案。

总结了一些web前端面试(笔试)题分享给大家,本篇文章就先给大家分享HTML部分的笔试题(附答案),大家可以自己做做,看看能答对几个!

HTML5中画布标签是“<canvas>”。canvas标签用于图形的绘制,它只是一个矩形的图形容器,绘制图形必须通过脚本(通常是JavaScript)来完成;开发者可利用多种js方法来在canvas中绘制路径、盒、圆、字符以及添加图像等。

html5废弃了dir列表标签。dir标签被用来定义目录列表,一般和li标签配合使用,在dir标签对中通过li标签来设置列表项,语法“<dir><li>列表项值</li>...</dir>”。HTML5已经不支持dir,可使用ul标签取代。

在html中,document是文档对象的意思,代表浏览器窗口的文档;document对象是window对象的子对象,所以可通过“window.document”属性对其进行访问,每个载入浏览器的HTML文档都会成为Document对象。

html5支持boolean值属性;boolean值属性指是属性值为true或者false的属性,如input元素中的disabled属性,不使用该属性表示值为flase,不禁用元素,使用该属性可以不设置属性值表示值为true,禁用元素。


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