Dynamic loading technology of objects in JavaScript

What is JavaScript object dynamic loading JavaScript dynamic loading (JavaScript Object dynamic Loading)-called dynamic, should be different from the usual static loading form. The typical JavaScript static loading method is to embed all the JS

How JavaScript uses bind to specify the recipient

This article mainly describes how JavaScript uses bind to designate recipients, and the friends you need can refer to the The code is as follows: var json = { Jarray: [], Jpush:function (c) { This.jArray.push (c); } } var examp = ["123", "~",

A comparison of Slice, Substring and substr functions of JavaScript intercepting strings

  This article mainly introduces the slice, Substring and substr functions of JavaScript intercepting strings, which can be referenced by friends in the following In JavaScript, extracting substrings is mainly done through Slice, Substring, Substr,

Three event differences between KeyDown, KeyUp, and KeyPress in JavaScript

In JS three events are key events, let's take a look at the keydown,keyup,keypress these three events in the difference where it is, I hope the example can help you. 1. Keys to raise events Non-character keys do not raise KeyPress events, but

JS Advanced Debugging Tips: Capturing and analyzing JavaScript error details

Front-end engineers know that JavaScript has basic exception handling capabilities. We can throw the new error () and the browser throws an exception when we invoke the API error. But it is estimated that most front-end engineers have not considered

JavaScript settimeout () issues to be aware of when using closure features

SetTimeout is often used to delay execution of a function: The code is as follows:settimeout (function () {...}, timeout); Sometimes the settimeout (function...,0) is used for asynchronous processing, for example: The code is as follows:function

Dynamic selection and traversal object of JavaScript Object

  This article describes the two points of JavaScript objects: Dynamic selection methods and properties, traversing object properties and methods, the need for friends can refer to the following (i) Dynamic selection methods and properties in

A concise summary of prototype and constructor in JavaScript

  has not been able to understand the prototype and constructor properties in JavaScript, read the book today, finally a bit of a figure. The value of a constructor constructor is a function. In JavaScript, values, arrays, functions, and objects,

JavaScript writes a mock reading of a novel program

  This article mainly introduces the use of JavaScript to write a simulated reading of the novel program, the need for friends can refer to the following Code as follows:

Methods, method references, and parameters in JavaScript

First of all, let's take a look at a piece of code that, if you don't understand it, is good for you: var player = function (e) { Return (function f (m) { return m? (function (n) { return $ (' #Player ', N). Get (0) | | F ($ (' iframe ', N). Get

JavaScript joins multiple arrays without concat to solve them

This article mainly introduces the use of concat to solve JavaScript to connect multiple arrays, the need for friends can refer to the followingThe first method is the well-known concat, but this method has a certain that the method does not change

Start using the JavaScript native API

I'm not here to argue. The original API and function library are very different, it is difficult to develop the magic of these things. But I want to talk about whether it's really necessary to load jquery if it's only for the use of a selector ($)

In JavaScript, the method overload is masked by arguments parameters

In many high-level object-oriented languages, there are overloads of methods. JavaScript has no way to overload this concept. But we can disguise this as a function overload by arguments this parameter Before the simulation, let's look at the

JavaScript gets the current date's lunar date code

JavaScript code ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26-27--28 29---30 31--32 33 34 35 36 37 38-39 40 41 42 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77

JavaScript anonymous function Application Example introduction

  Anonymous functions, as the name implies that there is no name, there is a good example, you can learn the following JavaScript anonymous function, which means that a function does not have a name, the following list of test code code is as

Using JavaScript to implement floating ads on a Web page

Roaming between the Web, you will find that the Internet is not only the ocean of information, but also the ocean of advertising. In addition to the ordinary GIF Banner, flash, floating advertising is the current online more popular form of

35 JavaScript Graphics Library worthy of web Developer collection

A graph is a graphical representation of data, such as a bar chart, a line chart, a pie chart, and so on, through an image chart. Visualization charts can help developers understand complex data more easily, improve productivity and reliability of

JavaScript Basics Review/re-learn

It is better to study again than to review. Here is a record of what you want to record in your learning process so that you can review it later.ECMAScript raw Data type : String, Number, Boolean, Undefined, NullCalling the TypeOf operator on a

Analysis of 44 Javascript perversion


Original title from: http://javascript-puzzlers.herokuapp.com/Readers can begin to feel. The original result of the author is 21/44 ...The first time I did this set of questions not only doubt IQ, even life began to doubt ....However, understanding

Thinking about the conversion of JavaScript type caused by a question in a face

recently, someone in the group sent the following question:To implement a function, the result of the operation can meet the following expected Results:Add (1) (2)//3add (1, 2, 3) (ten)//16add (1) (2) (3) (4) (5)//15For a curious transduction, can't

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