I wrote an article yesterday to learn JavaScript (1) Through jquery source code. There is a method for defining Object C, and I didn't pay too much attention to the technical details in the early days. Later, I checked the information and found that
Mind Map
Introduction: I am always writing Javascript. How do you write your JS? Which method do you prefer? Today, I am nagging you about the common ones. -- If you are older, don't bother me!
Direct Initialization
Advantages:
1. js output statement: Document. Write ("")
2. Comments in JS are ://
3. The traditional HTML document sequence is: Document-> HTML-> (Head, body)
4. the DOM sequence in a browser window is: window-> (navigator, screen, history, location,
In the past two days, I tried to write a demo of ajaxtoolkit: asyncfileupload. It has an onclientuploadcomplete attribute that can be associated with client JS, so I can write onclientuploadcomplete = "uploadcomplete" and then define the
Question 1:
If (! ("A" in window )){
VaR A = 1;
}
Alert ();
Question 2:
VaR A = 1,
B = function a (x ){
X & A (-- X );
};
Alert ();
Question 3:
Function a (x ){
Return x * 2;
}
VaR;
Alert ();
Question 4:
Provides forward and backward FunctionsOnclick = 'History. Go (-1)>'Onclick = 'History. Go (1)>
How can I use window. History. Go (-1) to refresh the previous page while returning the previous page?
You can only refresh the pageRefresh once
Elements of the object type in JavaScript are shortest copies. That is to say, the copy points to the same address.
Deep copy
If there is no technical content, it means iterative copying --
Event-driven
Javascript event-driven events are triggered by mouse or hot key actions. It mainly has the following events:
(1) Click Event onclick
An onclick event is generated when you click the mouse button. At the same time, the event processing
This is the most difficult thing to remember. Every time you need it, you need to search for it again on Google. This is really annoying.
License:
Link:
return to the previous step.
"> return to the previous step
Direct jump:
Open a new
The Zen of programming is everywhere.CodeThe arrangement is more beautiful, the name of the identifier is more reasonable, the code is more intuitive and concise, the joy after a bug is exceeded, and the comprehension after a problem is solved.
Tips for using JavaScript-pop-up window
1. Basic pop-up windowCodeIn fact, the code is very simple:
Because this is a piece of javascripts code, they should be placed between the . are used for some earlier browsers, and the code in the
Color:
label is placed in the" body "label.
Document. Write (" ");VaR ocolorpopup = Window. createpopup ();VaR ecolorpopup = NULL;// Remove the border when you move the mouse awayFunction colordialogmouseout (OBJ ){OBJ. style. bordercolor =
In the pure Sharepoint client development, considering this requirement, You need to operate a Sharepoint list. You have created many columns, but not all columns want to be seen by the end user. What should we do?
Obviously, you can only use
Here is a simple way of using values stored in global resource files to be used in your markup and JavaScript code. Simply add the following to your markup (ASPX page, user control or whatever ).
Once this is done, you can make use of the
How to call custom JS methods on the server (page. Write)
-Written by prodigal son @ cnblogs.com (06-08-28)
Since the publication of the [JavaScript] custom MessageBox article, many netizens have asked how to call the showinfo method on the
Content added in (2:
Differences between mobile Web form and web form:
Mobile web form does not support theme, but mobile Web form can use stylesheet.
Modify (1) content:
When the simulators and Microsoft ActiveSync cannot be synchronized,
Preface
I have been thinking about a problem recently. I have accumulated a lot of things in my own daily lives. I can't escape my blog (of course, it won't work in the advanced stage ), but when I was asked, I couldn't answer it.
Knowing and
Note: This article describes the object-oriented and Inheritance of JavaScript.ArticleI wrote about it a year ago. The author gradually translated it. It is very helpful for those who want to learn object-oriented Javascript. Therefore, try to
Summary of most of the most rational methods for JavaScript. Type • Original Type: values can be used directly. Required string serial number required Boolean comment null comment undefined
var foo = 1, bar = foo;bar = 9;console.log(foo, bar); //
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