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cookie|javascript| Beginners [Translator Note: Copy the last sample code in this article to a text file, rename the file as a homepage.htm format file, run in a browser, this article explains the sample code
Brief introduction
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The problem is that I want to resolve the automatic access http://www.thehungersite.com. This page can limit your access to it on
This article illustrates some of the techniques commonly used by JavaScript beginners. Share for everyone to use for reference. Specifically as follows:
One, javascript program storage location
*.js file inside
Second, the standard format
In HTML
Placed between the
Some of the common JS method or other to avoid causing code dupli
who have just touched JavaScript, test the code you have written. 7. Learn JavaScript and develop your abstract thinking skills. 8. To be a successful JavaScript developer, you must first be diligent. 9. Master the basics of object, scope, function and object-oriented programming. 10. Understand design patterns and develop extensible
parentRun automatically when the function is called. Simply wrap your function in parentheses.Then add an extra setting, which is essentially called a function.(function dosomething () {return {Name: ' Jeff ',LastName: ' The ' to '};})();22. Native code is always faster than libraryJavaScript libraries, such as jquery and MooTools, can save a lot ofEncoding time, especially AJAX operations. Have said, always remember that the library alwaysCan't be faster than native
This article from e Mentor NetworkThe most common headache when you're beginners to JavaScript is browser compatibility issues. In Firefox under the good code put to IE can not be displayed, or is in IE normal display code in Firefox and error.650) this.width=650; "src=" Http://183.61.143.148/group1/M00/01/CD/tz2PlFPvBtygAf5NAAAokplL9lI112.jpg "style=" border:0px none; "/>If you're learning
; One returnTotal ; A } - //This replaces the above, the global and local names, and the local affect the global variables7.New and constructorsWhen we add new, we construct the object, and no new is a call to the normal function.11//when you want to declare several task objects, you may be able to declare a22varNUM1 = {Name:tim, age:20, ... };3 varnum2 = {Name:may, age:19, ... };4 varnum3 = {Name:ken, age:26, ... };5 ... ...6 //one by one statements when the number of a lot, it will
In the previous
Programming Language In the ranking, we once introduced the Javascript language, just
Article As stated in, JavaScript is not only the most dynamic scripting language, but also one of the most useful programming languages. Because most browsers are compatible with it, you can use it in these browsers. Javascript is accepted quite quickly because
BKJIA's August 24 E-headlines: In the previous programming language rankings, we once introduced the JavaScript language that is just getting started. As stated in the article, JavaScript is not only the most dynamic scripting language, or one of the most useful programming languages. Because most browsers are compatible with it, you can use it in these browsers. JavaSc
clipboardCode:
(function doSomething() { return { name: 'jeff', lastName: 'way' };})();
22. Native JavaScript is always faster than code library.
JavaScript libraries such as jQuery and Mootools can save a lot of time for you to write code, especially when AJAX operations are required. But remember, as long as your code is properly written, native JavaScript
'};})();22. Native code is always faster than libraryJavaScript libraries, such as jquery and MooTools, can save a lot of coding time, especially AJAX operations. As has been said, always remember that libraries can never be faster than native JavaScript code (assuming your code is correct).The "Each" method of jquery is a great loop, but using native "for" statements is always faster.23. The JSON of Douglas. ParseAlthough
!
Closure 3:
You can also use closures to access function parameters.
function f(arg) {var n = function(){return arg; }; arg++;return n;}
If:
var m = f(123);m();
Result 124
In this case, the anonymous function returned by f goes through two new steps. n is given first and then m is assigned to the outside, but the essence is not changed.Definition timeThe parameter of the parent function is returned.
Closure 4:
var getValue, setValue;function() {var secret = 0; getValue = function(){return s
Javascript basics, basics of photography for beginners
Javascript Introduction
Javascript has three important components: ECMAScript, DOM, and BOM.
ECMAScript is the core language defined by ECMA specifications. In fact, this language does not contain input and output definitions. The ECMA Specification defines only
Note: I edited the original text, some words to mark the color, easy to read. Originally prepared to translate, but feel that the article is simple and understandable, and the original written very well, so it is not shortcoming. Hopefully it will be helpful for JavaScript beginners. You can follow the author to do the sample code, and when you finish reading the article, you will be able to master the basi
All languages have their own special features. For JavaScript, using var can declare any type of variables. This script language looks very simple, however, if you want to write elegant code, you need to constantly accumulate experience. Next, we will introduce that Beginners should pay attention to the special features of various languages. For JavaScript, using
For beginners of programming languages, they often make some "classic" errors. In this series of articles, we will introduce how to help beginners avoid some basic errors and learn how to properly program and develop code.
In this article, we will introduce the five issues and skills that need to be paid attention to during javascript code development.
Redundant
Because most browsers are compatible with it, you can use it in these browsers. Javascript is accepted quite quickly because it is so simple and widely used. Many
Program In the past, JavaScript was often regarded as a "Toy language". However, Ajax entered the market and showed the opposite side. It showed completely different capabilities and functions for JavaScript
In the previous list of programming languages, we introduced the JavaScript language of the impending regularization, as illustrated in the article, that JavaScript is not only the most dynamic scripting language, but also one of the most useful programming languages. Because the vast majority of browsers are compatible with it, you can use it in these browsers. JavaScr
inner ghost and returns the value of B ......
Now, everyone is feeling a little bit.
Closure 2:
The Code is as follows:
Var n;Function f (){Var B = "B ";N = function (){Return B;}}
What if I call f at this time? Then a global range Function of n is generated, but it can access the inside of f and returns the value of B, which is similar to the above!
Closure 3:
You can also use closures to access function parameters.
The Code is as follows:
Function f (arg ){Var n = function (){Return ar
For beginners of programming language friends, often make some more "classic" mistakes. In this series of articles, we'll show you how to get beginner programming friends to avoid some basic bugs and learn how to program and develop code correctly.
In this article, we describe the issues and techniques that need to be noted in the development of 5 JavaScript code.
Redundant DOM operations
Dom operations
JavaScript beginners: 004-JS annotation Writing Method and basic operators, 004jsJS commentsAdding comments in JS is similar to writing C # code. There are two types: // and.Single line commentUse a double slashFor example,
Multi-line comment
Use/* content */
For example,
Basic operators of JS
The basic operators in JavaScript are basically the same as those i
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