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Each language has its own special place, and for JavaScript, using VAR to declare variables of any type, the scripting language looks simple, but it takes a lot of experience to write elegant code. This article provides a list of seven details that JavaScript beginners should pay attention to, and share them with you.
(1) Simplify the codeJavaScript defines obje
Each language has its own special place, for JavaScript, using VAR can declare any type of variable, the script language seems simple, but want to write elegant code is need to accumulate experience. This article makes a list of seven details that JavaScript beginners should pay attention to and share with you.(1) Simplified codeJavaScript defines objects and arr
For beginners of JavaScript, it is recommended that you do not care about browser compatibility.
If I can go back to the past, I will tell myself this sentence: When I was a beginner in JavaScript, I ignored the compatibility between DOM and BOM. I first learned some basic knowledge and finally considered compatibility.
If I can go back to the past, I will tell
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
====================================
The problem is that I want to resolve the automatic access http://www.thehungersite.com. This page can limit your access to it on
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 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
Each language has a special place. For JavaScript, using VaR can declare any type of variables. This script language looks very simple, however, to write elegant code, you need to constantly accumulate experience. This article lists seven details that JavaScript Beginners should pay attention.
(1) simplified code
It is very simple to define objects and arrays i
Each language has a special place. For JavaScript, using var can declare any type of variables. This script language looks very simple, however, to write elegant code, you need to constantly accumulate experience. This article lists seven details that JavaScript Beginners should pay attention.
(1) simplified codeIt is very simple to define objects and arrays in
Each language has a special place. For JavaScript, using var can declare any type of variables. This script language looks very simple, however, to write elegant code, you need to constantly accumulate experience. This article lists seven details that JavaScript Beginners should pay attention.(1) simplified codeIt is very simple to define objects and arrays in
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
Each language has its own special place, for JavaScript, using VAR can declare any type of variable, the script language seems simple, but want to write elegant code is need to accumulate experience. This article makes a list of seven details that JavaScript beginners should pay attention to and share with you.(1) Simplified codeJavaScript defines objects and arr
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
; 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
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
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