Programmer Think

High frequency algorithm interview questions ★★★ bubble sorting Compare two from the start position for n rounds Basic Edition function bubbleSort (arr) { // Execute round i + 1 for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr.length - 1; j++) { // Compare the former with the latter in pairs if (arr[j] & ...

conceptEvents are actions or events that occur in the system during programming. After the system responds to events, you can respond to events in some way if necessary. In the Web, events are triggered in the browser window and are usually bound to a specific part of the window - possibly an element, a series of elements, HTML code loaded int ...

Introduction to BootStrap Bootstrap It is the most popular front-end open source tool library in the world. It supports Sass hybrid, responsive matrix system and its own library component and component JavaScript. Bootstrap provides powerful functions that enable you to quickly design and customize your website. Use Bootstrap CDN and one of ...

catalogue 1. jQuery node insertion 1.1 internal node insertion method 1.2 external insertion node method 2. jQuery binding event 3. jQuery animation effect   1. jQuery node insertion In the process of creating nodes, in fact, we have demonstrated how to pass The append() method to insert a node. But except Besides this method, jQuery ...

preface Obviously, the sequence of program execution has a significant impact on the running results of the program, so the process control statement was born. It has three basic structures: sequence structure, selection structure and loop structure. Sequential structure: code is executed from top to bottom.Select structure: perform di ...

Click event In 2002, W3C released the DOM Level 2 Events Specification Specify that the browser needs to support two call sequences at the same time: First, see if there is function monitoring in the order of Grandpa = > dad = > son Then see if there is function monitoring in the order of son = > father = > Grandpa Call ...

By Michael Thiessen Translator: front end Xiaozhi Source: dev There are dreams and dry goods. Wechat search [Daqian world] pays attention to this bowl washing wisdom who is still washing dishes in the early morning. This article GitHub https://github.com/qq449245884/xiaozhi It has been included. There are complete test sites, materials ...

1. Introduction to JavaScript 2. ECMAScript and TypeScript overview 2.2.7 object oriented programming using classes class Book { constructor(title, pages, isbn) { this.title = title this.pages = pages this.isbn = isbn } printTitle() { console.log(this.title) } } let book = new Book('title', 'p ...

1, Introduction Registration and login is an essential part of social and business websites. 2, Knowledge points 2.1 tab 2.1.1 basic tab The use of the tab is similar to that of the navigation bar. At the same time, it depends on the basic style nav. The difference is that the additional style becomes nav tabs and nav pills (capsule), and there ...

First of all, this is a code run to calculate the optimization of a large number of logic. (1) Scene When there is a lot of logical calculation of data in JSNon static resource optimizationCode level optimization (2) Tools The performance of Chrome Devtools can be found by pressing F12 in the browser. (3) Situation When our page is carryi ...