Programmer Help

High collapse problem caused by element separation from document flow 1. Problem Description: In the document flow, the height of the parent element is supported by the child element by default, that is, how high the child element is, how high the parent element is. However, when the child element is set to float, the child element will be ...

Refer to advanced programming 4 iterator The for loop is the simplest iteration. The loop is the basis of the iteration mechanism. The loop can specify the number of iterations. The iterations are carried out on an ordered set, such as an array. The array has a known length and can be obtained by index, so it can be traversed incrementally ...

ES6, also known as ES2015, was released in 2015. Since then, some attributes have been added every year, named ES7~12 respectively. The release years correspond to 2016 to 2021 respectivelyES7includes methodThe include method is added to the array to judge whether an element exists in the array. Before this, indexOf is used to judge the subscri ...

1. vue assembly 1.1 vue components_ concept Componentization: the idea of encapsulation encapsulates the reusable parts of the page into components, so as to facilitate the development and maintenance of the project A page can be divided into components. A component is a whole. Each component can have its own independent structure style ...

prefaceHello, I'm Lin Sanxin. Because of the needs of the work project, last month, I began to use React to develop the project. Today, it's almost a month. I want to share with you how I realized some functions in Vue in React.As this rookie has not used React for a long time, please pay attention to any defectsNote: the version of Vue referre ...

2021SC@SDUSC sketch Then, in the previous analysis, we returned to the index.js file of the runtime module from the render module. All the code of index.js is no longer put, but in the previous issue. This issue specifically analyzes where to introduce the corresponding code. At the same time, some very simple code will be skipped in the ...

Language foundation Mainly based on ECMAScript version 6 grammar The case sensitive variable test and the variable test are two different variables. The names of identifier variables, functions, attributes or function parameters follow the hump case, that is, the first letter of the first word is lowercase, and the first letter of each sub ...

In the template, you can directly display some data in the data through the interpolation syntax. In some cases, we need to convert the data or display it after calculation. We can use the calculated option to calculate. At this time, some partners may ask, why should I define the function directly and call it again? This problem will be explai ...

HTML5 final assignment: management system website design - enterprise website background management system (35 pages) final assignment of HTML+CSS+JS web page design Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animation, stars, clothing, ...

Review on Array ”ECMAScript array is very different from arrays in other programming languages. Like arrays in other languages, ECMAScript array is also a group of orderly data, but different from other languages, each slot in the array can store any type of data. This means that you can create an array. The first element is a string, ...