well as the basic HTML protocol and normalization usage. Most fundamentally, a "deep link" is any link to a specific part of the site, rather than simply linking to a top-level domain.For example, a link directly to this article is a deep link, while the one pointing to count.ly is not.Further, deep links can point no
Basic JavaScript method of deep copy (shallow copy and deep copy), javascript depth
Preface
When it comes to deep copy, we must first mention the JavaScript data type. In the previous article, the basic
Javascript: a deep understanding of basic Javascript knowledge and a deep understanding of javascriptThe eval global function is shown in the loader of dojo as the next function.
Var eval _ = new Function ('Return eval (arguments [0]); '); // The Function runs in the top-level scope, but the running efficiency is slowe
Deep Learning of JavaScript objects and deep learning of javascript
In JavaScript, all objects except the five primitive types (numbers, strings, Boolean values, null, and undefined) are objects. Therefore, I don't know how to continue learning objects?
I. Overview
An objec
A deep understanding of memory leaks in JavaScript programs and a deep understanding of javascript
Garbage collection frees us from allowing us to focus on application logic rather than memory management. However, garbage collection is not magical. Understand how it works, and how to make it retain the memory that shou
A deep understanding of the scope of this in Javascript and a deep understanding of javascript
This guy often gets dizzy when using Javascript. For most developers with OOP development experience, this is the identifier that references common elements in the current scope, b
A deep understanding of the synchronous and asynchronous mechanisms in JavaScript programming and a deep understanding of javascript
One of the advantages of JavaScript is how it handles asynchronous code. Asynchronous code will be put into an event queue and will not block
A deep understanding of javascript scopes and closures, and a deep understanding of javascript
Scope
Scope is the scope of a variable and function. All variables declared in the function in javascript are always visible in the function body, and global and local scopes are a
A deep understanding of the scope of javascript and a deep understanding of javascript
In short, the scope is the accessible scope of variables and functions, that is, the scope controls the visibility and lifecycle of variables and functions. In javascript, variables have t
A deep understanding of javascript function parameters and closures, and a deep understanding of javascript
Recently I have been studying javascript Functions. functions are the first-class objects of javascript. To learn
A deep understanding of javascript prototype chain and inheritance, and a deep understanding of javascript
In the previous article, I introduced the concept of prototype and learned the relationship among the three friends in javascript: constructor, prototype object, and in
A deep understanding of javascript variable declaration and a deep understanding of javascript
Compared with C/C ++, The for loop in ECMAScript cannot create a local context.
Copy codeThe Code is as follows:For (var k in {a: 1, B: 2 }){Alert (k );}
Alert (k); // although the loop has ended, the variable k is still in t
A deep understanding of the advanced timer of javascript and a deep understanding of javascript
SetTimeout () and setInterval () can be used to create a timer. The basic usage is not described here. This section mainly introduces the javascript code queue. No code in
A deep understanding of the JavaScript prototype chain and a deep understanding of javascriptPreface
I have encountered a question recently. You can try it.
Object.prototype.a = function() { console.log("aaa "+this.name);};Function.prototype.b = function() { console.log("bbb "+this.name);};function Person(name) { this.name = name;}var person = new Person
A deep understanding of the JavaScript series (33): The Strategic Pattern of the design pattern, and a deep understanding of javascriptIntroduction
The rule mode defines the algorithm family and encapsulates them separately so that they can replace each other. This mode prevents algorithm changes from affecting the customers who use the algorithm.Body
Before unde
Deep understanding of the JavaScript series (28): factory mode of design patterns, deep understanding of javascriptIntroduction
Similar to the creation mode, when creating an object in the factory mode (as a product in the factory), you do not need to specify a specific class for creating the object.
The factory mode defines an interface for creating objects. The
A deep understanding of floating point numbers in JavaScript and a deep understanding of javascript
Javascript has only one numeric data type. js classifies it as a number, whether it is an integer or a floating point number.
Typeof 17; // "number"
Typeof 98.6; // "number"
T
A deep understanding of this in the Javascript arrow function and a deep understanding of javascript
First, let's take a look at the code. This is a Countdown class "Countdown" and Its instantiation process:
function Countdown(seconds) { this._seconds = seconds;}Countdown.prototype._step = function() { console.log(this
A deep understanding of the JavaScript series (31): the proxy mode of the design mode, and a deep understanding of javascriptIntroduction
Proxy, as its name implies, is to help others do things. The GoF defines the proxy mode as follows:
Proxy mode, which provides a Proxy for other objects to control access to this object.
The proxy mode allows the proxy object t
A deep understanding of the JavaScript series (27): The Builder mode of design patterns, and a deep understanding of javascriptIntroduction
In a software system, sometimes it is faced with the creation of "a complex object", which is usually composed of sub-objects of each part using a certain algorithm; due to changes in requirements, the various parts of this c
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