This article describes object-oriented programming (OOP) in PHP. I'll show you how to use object-oriented concepts to make fewer code but better programs. Good luck to all of you.
The concept of object-oriented programming has a different
javascript when called, in addition to the formal parameters defined at the time of the declaration, each function accepts two additional parameters: this and arguments, here is a description of the JavaScript four invocation modes and this
In almost all object-oriented programs, there are one or two of resources that are created to be shared and used consistently in program applications. For example, such a resource is used in a database connection of an e-business program: The
Ways to define regular expressions
There are two ways to define a regular expression: the constructor definition and the regular expression direct quantity definition. For example:
The code is as follows
var reg1 = new
The use of basic classes Method A function Sth (a)//constructor { THIS.A = A; this.fun = output; member function } function Output (A, B, c) { document.write (THIS.A); } //Call var s = new Sth (250); S.fun (1, 2, 3); ouput (1, 2, 3
This article mainly introduces JavaScript advanced skills, the need for friends can refer to the following The last time I sorted out the Ajax part, I finished the Advanced Skill section this week and sorted it out. 1, type detection The use
The code is as follows:
Other explanation: Kitty also has a construction method, the new Object (). Object defaults to some methods and properties, see "Object" in the JavaScript manual. At the same time, it also has a prototype, just for empty {}.
Instance 1: The first method to call this is called as a function. It represents the Global object window code is as follows:
Instance 2: The second method of calling this is called in the form of an object property. It represents the object. The
In the real sense, JavaScript is not an object-oriented language, does not provide a traditional way of inheritance, but it provides a way of prototype inheritance, using the prototype properties provided by itself to achieve inheritance.
Prototype
Code reuse and its principles
Code reuse, as the name implies, is a part of the code that has been written and even reused to build a new program. When we talk about code reuse, the first thing we can think of is inheritance. The principle of code
In this article, I'll share a set of JavaScript tips, tricks, and best practices that JavaScript programmers should know whether they're in the browser/engine or server side (Ssjs--service Side JavaScript) on the JavaScript interpreter As you
method One: The most famous eval method in JSThe code is as follows:
var strjson= "{name: ' John '}";//json
var obj=eval ("(" ("+strjson+"));//Converted JSON object
alert (obj.name);//json name
This method needs to be noted for:
Object Expression
The jquery array is processed, convenient, and fully functional. One-Step encapsulates a number of features that are not possible with native JavaScript arrays. The following is an explanation of the use of jquery arrays, the need for friends can
This article is mainly on the structure of JS in a detailed introduction, the need for friends can come to the reference, I hope to help youIn JavaScript, any legitimate function can be used as the constructor of an object, which includes both the
This article mainly introduces the use of Nodejs to implement PHP Print_r function code, the need for friends can refer to the following Code as follows: function ergodic (obj,indentation) { var indent = "" + indentation; if (Obj.constructor =
This article mainly introduces the operation techniques of the jquery array, and the friends who need it can refer to the following 1. $.each (array, [callback]) traversal [Common] Interpretation: Unlike the $.each () method of the JQuery
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,
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