Programming VIP

The original text is reproduced from "Liu Yue's technology blog" https://v3u.cn/a_id_207 Once upon a time, SVG(Scalable Vector Graphics) vector animation was known as a technology cursed by browsers because of poor hardware support (IE) and endless compatibility tuning (Safari). However, today in 2022, everything is different. It is ...

ES6 – Iterator 1, The concept of Iterator2, Function of traverser3, Iterator traversal process4, The interface implementation of self simulation traverser 1. General implementation2. Writing method of class deployment Iterator interface (es6 deployment Iterator class, equivalent to es5 function)3. Simulate the function class writing ...

Chapter 10: function In fact, functions are also objects. Each Function is an instance of the object Function, which also has properties and methods; Because the function is also an object, the function name is a pointer to the function object; 10.1 declaration of functions Function declaration function sum(num1,num2){ return num1+num2 ...

1, BOM browser object model 1.BOM overview 1.1 what is BOM BOM (Browser Object Model) is the Browser Object Model. It provides an object that interacts with the browser window independent of content. Its core object is window. BOM consists of a series of related objects, and each object provides many methods and attributes. BOM lacks stand ...

design sketch | Update log 1. The first parameter of the construction method supports passing in the id of the canvas dom object. You can pass either the canvas dom object or the id of this dom object. 2. setOptions method is added to facilitate dynamic updating of analog clock properties. 3. Fix the BUG that the passed in options d ...

preface This article briefly introduces the BOM object and DOM object of JavaScript, as well as the related methods and usage. catalogue 1, DOM object simple learning 2, Events 2.1 simple learning of events 2.2. Event monitoring mechanism         Case: bulb switch: 3, BOM object 3.1. BOM object concept: 3.2 composition         Case: ...

Native AJAX GET request I Example requirements: click the button, send a GET request, and render HELLO AJAX in div Create server JS file //1. Introduce express const express = require('express'); //2. Create application object const app = express(); //3. Create routing rules //requset is the encapsulation of request message //r ...

Make multiple objects have the opportunity to process the request, so as to avoid the coupling relationship between the sender and receiver of the request, connect these objects into a chain, and pass the request along the chain until an object can process it. These objects in the transmission chain are called nodes. In practical application ...

Set the Webview window rendered event parameter <span style="background-color:#333333"><span style="color:#474747"><code> <span style="color:#f0e68c"><strong>void</strong></span><span style="color:#ffffff"> wobj</span><span style="color:#ffffff">.</span><span style="color:# ...

A set of properties that define page or control deformations A set of properties that define the effect of a page or control transformation Properties: Property: (String type) the property that produces the transformation effect The default value is "all", and other values are not supported temporarily. Platform support ...