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My idea 1. Request all data at one time, and then divide it into many parts to the front end for display (advantages: one-time request is completed without further request. Disadvantages: users may not need to use all data segments, and if the amount of data is large, the request is very slow, which greatly affects the user experience) 2 ...

1, Foreword First, let's talk about two major changes in wechat applet recently: 1. The interface for obtaining user information is from the original Wx Replace getUserInfo with Wx getUserProfile For the new version of applet released after 24:00 on April 28, 2021, the developer calls Wx GetUserInfo will no longer pop up a pop-up window and ...

In the compilation of resident choice components, my original idea was to achieve the effect like above, showing the name, telephone number, ID number of the residents, and grouping them according to the plot and building, but there were some bug in the group.When I get residents again, I get all residents first and then pass filter to obtain t ...

object Everything in JavaScript is an object: strings, numbers, arrays, dates, and so on. In JavaScript, an object is data that has properties and methods. Property is a value associated with an object. Methods are actions that can be performed on objects Keywords () For example: cars are objects in real life. Car properties: car.name=Fiat n ...

What is a regular expression? Regular expressions are objects that describe character patterns. Regular expressions are search patterns formed by a sequence of characters. Syntax of regular expression: / regular expression body / modifier (optional) For example: const exp = /abc/i /abc/i is a regular expression, where abc is a regular expre ...

Generally speaking, javaweb has learned one article. At that time, I just took it over. I didn't practice some things myself and forgot many of them. So I'll review it quickly here. I won't review the contents of HTML and CSS here. I'll review it from JavaScript. 1. JavaScript introduction The birth of JavaScript language is mainly to complet ...

catalogue 1 = = and = = = difference 2. What is the difference between $route and $route? 3 what is promise? 4 what is nested routing? 1 = = and = = = difference = = =: it is called the equivalent when the values on both sides type When the types are the same, the values are directly compared. If the types are different, false is dir ...

Form tags of HTML common tags preface1, Form field2, Form element 1.input form elements2.select drop-down form elements3.textarea form element preface In web pages, we need to interact with users and collect user data. At this time, we need to use form labels In HTML, a complete form is usually composed of three parts: form field, form ...

typora-copy-images-to: img Today's content JavaScript introduction Basic syntax of JavaScript JavaScript properties and text operations Dom operation of JavaScript I JavaScript introduction 1. JavaScript overview JavaScript is a client-side scripting language. It is an object-based and event driven client-side scripting language, wh ...

Article catalogue HTML simple learning record brief introductionBasic structure of HTMLWeb page basic labelImage label Link label Hyperlinks Anchor linkFunctional links Inline and block elementslistformVideo and audio videoaudio frequency Simple layout of pagesiframe inline frameworkForm syntax Form element ...