Use object Defineproperty implements constant declarations under es5

Purpose of this article: es5 implements the const constant declaration of es6 catalogue 1.defineProperty usage 1.1 Object.defineProperty(obj,  prop,  descriptor) 1.2 modification parameters 1.2.1 configurable 1.2.2 enumerable 1.2.3 value 1.2.4 writable 1.2.5 get 1.2.6 set 1.3 usage of modification parameters 1.4 default values requi ...

Added by jedney on Thu, 06 Jan 2022 13:24:15 +0200

webpack: advanced usage

1, Using ESLint in webpack How does ESLint land? Integration with CI/CD systemIntegration with webpack Integration of webpack and ESLint Use eslint loader to check the JS specification at build time. Next, let's use eslint config airbnb, which has many dependencies The first step is to install the dependency npm install eslint eslint-plug ...

Added by mlewczuk on Thu, 06 Jan 2022 12:55:45 +0200

Uni app implements uniPush push function (Android)

I Open UniPush push service At manifest Check push in JSON Click here to view how to activate UniPush push service II Online push (summary) 1. You need to ensure that the Android package name entered must be consistent with the configuration during packaging, otherwise you will not receive the push message 2. Obtain cid plus.push.ge ...

Added by gr8dane on Thu, 06 Jan 2022 10:08:59 +0200

Front end notes summary

catalogue catalogue Front end Foundation HTML 1. Basic label 2. Page structure analysis 3. Advanced label CSS 1. Basic knowledge 2. Beautify web pages JS 1. Basic knowledge 2. Detailed description of data type 3. Function 4. Object oriented programming 5. Operate BOM object (key) 6. Operating DOM objects (key points) 7. Ope ...

Added by djelica on Thu, 06 Jan 2022 06:20:05 +0200

The front end realizes the function of expanding and retracting beyond text display

Interaction difficulties: Expand and collapse button in the lower right corner of multiline textSwitching between "expand" and "stow"When the text does not exceed the specified number of lines, the expand and collapse button is not displayed To be honest, it was not easy to look at the layout alone before, even with the h ...

Added by Arenlor on Thu, 06 Jan 2022 05:54:55 +0200

Film theme website design -- imitation 360 film and television website (1 page) HTML+CSS+JavaScript student DW web page design homework finished web course design web page planning and design

HTML5 final assignment: movie theme website design - imitation 360 film and television website (1 page) HTML+CSS+JavaScript student DW web page design assignment finished web course design web page planning and design computer completed web page design source code Common web design topics include individuals, food, companies, schools, touri ...

Added by robin on Thu, 06 Jan 2022 05:24:36 +0200

Introduction to WebGIS -- how to make a simple campus map service website

Configuration of OpenLayer Library Call in HTML Openlayers is an open source Javascript library used to display maps in Web browsers. Official website( https://openlayers.org/ )The download package and use case of OpenLayer are provided; The most commonly used reference methods are as follows: 1. Online call <!doctype html> <htm ...

Added by HERATHEIM on Thu, 06 Jan 2022 04:14:58 +0200

Apiccloud introductory tutorial window

What is a window? A window can be understood as a basic carrier of screen content. Navigation, pictures, videos, text, etc. can be placed inside to form a screen content. Different windows form an APP. For example, the shopping APP has different windows such as [home], [shopping cart], [mine]. You can jump between different windows. api.ope ...

Added by hanwei on Thu, 06 Jan 2022 03:21:33 +0200

Start from 0 and take you to the beginning. Vue3 - the most complete in the whole network (1.1w words)

God's destiny is not afraid, and ancestors are not law—— Wang AnshiprefaceThis article is not a title party, but a real hard core article. If you want to learn from Vue3, you can browse this article. Generally speaking, this blog covers most of the contents of Vue3, including common composition APIs (composite APIs), other compositi ...

Added by Svoboda on Thu, 06 Jan 2022 02:36:50 +0200

Vue (15) - Vue scaffold configuration agent, slot (default slot, named slot, scope slot)

catalogue 1, vue scaffold configuration agent   1. Method 1   2. Method 2 2, Slot   1. effect   2. classification   3. Mode of use         1. Default slot         2. Named slot         3. Sco ...

Added by rationalrabbit on Thu, 06 Jan 2022 01:59:01 +0200