JavaScript

1. Two-dimensional array Representation of a two-dimensional array: myarray[[]var myarr=new Array (); Declare one dimension firstfor (Var i=0;iMyarr[i]=new Array (); Re-declare two-dimensionalfor (Var j=0;jMyarr[i][j]=i+j; Assignment, the value

"The learning process has encountered questions and extended reading"SummarizeArray of variablescode block, judging branch execution, judging loop executionFlexible use of nested branches and nested loopsBranch type-if,elseif,switch caseLoop

This article mainly introduces the methods and principles for implementing blinds using native javascript. If you are interested, you can refer to the blinds! : Principle: The hollow lattice is like setting relative positioning attribute for each

This article mainly introduces the complete examples of JS password generation and strength detection, including JavaScript password generation, cracking time calculation, password security monitoring, case lock judgment, and other functions, the

The following is an in-depth analysis of apply, call, and bind in JS. I think it is quite good. Now I will share it with you and give you a reference. Let's take a look at it together. In Javascript, Function is an object. This in the Function

This article is a daily summary of some js compatibility issues and Compatibility Analysis of IE and Firefox and other common browsers, if you are interested in js browser compatibility, learn it together. This article is a daily summary of js

This article describes how to use postMesssage () to transfer information between iframe cross-origin pages. For more information, see the restrictions on the same-origin web policy, when the cross-origin iframe link is used on a page, the home page

This article mainly introduces how to use the Express framework of Node. js. Express is the most popular development framework in the Node world. Express IntroductionNpm provides a large number of third-party modules, including many Web frameworks,

This article mainly introduces the Instance Object and prototype object in JavaScript. For the constructor attribute and prototype attribute, you can refer to the following statement for a friend who needs it: each object in javascript has a

This article mainly introduces the information about JavaScriptFile multipart upload. For more information, see HTML Js Method Var fileSplitSize = 1024*1024; var start = 0, end = 0; var I = 0; // file segment upload function chunk_upload

This article mainly introduces how to convert strings and dates and format them in JavaScript. Here, regular expressions are used to replace dates and format them. For more information, see String to date, date to string // 2014-02-25/*** String

This article mainly introduces the implementation code of the Bootstrap multi-level navigation bar. For more information, see the bootstrap official website. The navigation is at most two levels, which cannot be implemented at two or more levels,

This article summarizes four methods of array deduplication in javascript, which are loop matching deduplication, JSON deduplication object deduplication dictionary deduplication, and queue recursive deduplication, the INDEXOF deduplication method

This article describes how to use JavaScripthtml5 to plot the clock effect. It simulates and displays a clock using the canvas tag and Javascript script of html5, if you are interested, you can refer to the example in this article to describe how

This article mainly introduces the JavaScriptDate object in detail and introduces operations on Date and Time objects. If you are interested, refer to this article to introduce operations on Date and Time objects, the details are as

This article mainly introduces detailed information about the {} statement block in javascript. For more information about how to parse the json string, see the next tutorial. an eval () method is used, why should we add parentheses when parsing

This article mainly introduces how JavaScript dynamically changes the text size of a webpage in real time based on the browser window size. It involves related techniques related to dynamic acquisition of page width and Dynamic Calculation of

This article mainly introduces javascript asynchronous programming in detail. In fact, asynchronous programming as a programming language Javascript is a very interesting topic worth discussing ., For more information, see Asynchronous

This article mainly introduces how to use Promise to encapsulate FileReader in javascript. If you need it, you can refer to Promise, which is a good choice for asynchronous processing. It can reduce the nested hierarchy and make the Code better read,

It is easy to make minor mistakes in 10 JavaScript codes! Today, JavaScript has become the core of web page editing. Especially in the past few years, the Internet has witnessed the emergence of a large number of JS libraries in SPA development,