Programmer Think

Es6 Introduction: ES6 (ECMAScript) is a language standard of JavaScript, and JavaScript is an implementation of ES6 ES6 generally refers to JAVAScript after version 5.1 ES6 is an upgrade of JS from 2015, 2016 and 2017, which is more convenient for programmers let let is used to declare variables (only in code blocks) { let a = "hello" con ...

The last issue of the 21 day good habit activity is over. Although the activity is over, I will continue to share my learning success and problems solved in learning. Today, I review the knowledge of HTML. In fact, I didn't learn much about graphic drawing before, and the teacher didn't talk about it. I felt very interesting, so I went to the l ...

1, CSS Basics Training address Suggest doing it 1. Get to know CSS: rich and colorful web page styles CSS(Cascading Style Sheets) is a computer language used to add styles to structured documents (such as HTML documents or XML applications). At present, it is defined and maintained by W3C. In front-end web page development, we use CSS t ...

1, CSS Basics Training address 1. Get to know CSS: rich and colorful web page styles CSS(Cascading Style Sheets) is a computer language used to add styles to structured documents (such as HTML documents or XML applications). At present, it is defined and maintained by W3C. In front-end web page development, we use CSS to define the styl ...

In the development process, it is inevitable that all kinds of centers, block level, intra row level, fixed height, variable height, vertical, horizontal or horizontal vertical center. We'll sort out the implementation schemes and which scheme should be selected in the development. So that it can be used more conveniently in the future. horizo ...

Layout! Layout! Layout! This article is still layout!!! The traditional layout method should be basically completed, and the basic use of elastic layout elements in CSS3 is also written. Although elastic layout is powerful, it is still a one-dimensional layout. Next, this paper will write a more powerful two-dimensional layout method. Mult ...

Three implementation methods of complex bullet frame Pages often have pop-up frame requirements. Some pop-up frame designs are complex and can only be realized with background drawings. Some pop-up frame heights need to be adapted according to the content. At this time, how to make the picture without stretching and deformation is a problem we ...

CSS background properties The CSS background attribute is used to define the background of HTML elements. CSS attribute defines the background effect: 　　background-color               background color 　　background-image　　     Background picture 　　background-repeat       ...

1, HTML5 (H5) 1. Newly added (modified / deleted) semantic tags header footer main body section area Article article area aside: irrelevant parts (e.g. advertisements) nav figure matching area Fig caption description Mark mark time stamp progress bar 2. New reform of form elements [traditional form elements] input:text/password/ra ...

Next, I will introduce several ways to horizontally center html elements one by one 1: Text align: Center; for inline elements 2: Using margin:0 auto; to realize horizontal center display 3: Implement with table 4, Block level elements, however, are horizontally centered by converting them to inline elements 5: Both parent and child ele ...