Programmer Group

Recently, I encountered a problem that if the second request is faster than the first one when sending the same request in succession, then the data of the first request is actually displayed, which will result in inconsistency between the data and the content I choose. Solution: When subsequent requests are sent, determine whe ...

Demand Background: The company has a Wechat widget project, which requires a large number of unique switch buttons. Like the switch button, the widget widget can't fill in the text. Therefore, directly, and the framework of the widget is based on the mpvue of vue. The time of mpvue coming out is also short. It is estimated that ...

Click events are added to login, but the page will be refreshed when jumping, but it is possible to click Enter. Among them, the landing tag reads like this <a class="lgBut" id="btn_login" href="" >Sign in</a> This is the way below. $("btn_login").click(function(){ var USERNAME=$("#USERNAME").val(); ...

Introduction to TypeScript Before using TypeScript, we need: Installing TypeScript uses nmp-v to check whether npm is installed Use tsc-v to check whether the TypeScript environment is installed or not, use NPM install-g type script installation environment, use tsc test.ts to mutate the TypeScript.ts file into JavaScript.js ...

1. Implementation examples: function Person(name, sex) { this.name = name; this.sex = sex; } Person.prototype = { name:'Anonymous person', sex:'Unknown', nation:'Mars', getName: function() { return this.name; }, getSex: function() { return this.sex; }, getNation: functio ...

1. Constructor Inheritance function Person(name,age){ this.name = name; this.age = age; this.run = function(){ console.log('run....'); } } function YPerson(name,age,color){ this.method = Person;//this.method points to the constructor Person pointed to by Person this.method(name,age); //Executing this.met ...

Recently, a function has been made, the balance sheet, which requires that the historical version be compared with the current version. If the data changes in the new version are marked red, the old data added in the new version should be empty, and the old data deleted in the old version should also be empty. Thought: Since a ...

Vue is known as a framework to achieve data bidirectional binding, but in fact, in daily development, we use the most is v-model to associate data (vue instance) with view, to achieve data updates, view automatic refresh effect. However, as far as mobile Chengdu is concerned, the effect of two-way data binding is not particular ...

Small programs are similar to template engines such as Vue.js and Angular.js. This kind of MVVM data-driven framework can quickly develop projects. However, when doing small programs, one of the problems we will encounter is that the pop-up window is very rigid and there is no transition animation. The following source code doe ...

Call and data transfer between Vue parent and child components Definition of parent and child components Parent and child components of two files Definition of parent and child components The official website of vue has written some definitions about parent-child components and the transfer of values. I won't go into too ...