If we use AJAX technology frequently on the client side, we have to create XMLHTTP objects multiple times. Of course, as you know, we can improve the way we create, such as using global variables to cache an instance (client-side singleton mode?!). )
The events presented here, when they occur on a certain HTML element, can be identified by most browsers. That is, the browser looks for the script for the event handler that you registered for this HTML element, and will be executed immediately.
At
Html
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Javascript
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function Submit1 (e) {
var Isie = (document.all)? true:false;//whether the IE kernel or Mozilla
var key;
if (Isie)
Key = Window.event.keycode;//ie Use
Then the function is broken into two parts stored in the object, one is its function name (key), one is the function body (value), then the function of this generally refers to the object of the function. But that's general, when we call a function
function Salert (msg,boxtype,func,msgtitle)
Salert (' Information content ', 1, ', ' Information title ')
@msg: Prompt For information content
@boxtype: 1 for Pop-up box, 2 for Confirmation box, 3 for Prompt box
@func: Functions performed when a
Jquery,mootools,ext such as the library in this part of the implementation of a very difficult, intertwined with a large number of methods, so want to make this part of the difficult to dig out. After in-depth study of their implementation,
1. The standard method
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Example: click
2. It is to be noted that Firefox does not support this feature, it supports the syntax is
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window.open
('
For example, a control is rendered as a anchor control, and the DropDownList control here is rendered as a normal select control, A Web server control DropDownList and a common select control (primarily for comparison) are defined in the following
First text up and down interval scroll correction version
compliant with Web Standard text interval scrolling JS code
[Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]
There are
All the functions you create are case-sensitive.
Single quotes (' Strings ') and double quotes ("strings") have no special distinction in JavaScript, and can be used to create strings. But as a general rule, most Web developers choose to use single
Please test under Firefox
Look at the following example:
JS Code
is equivalent to
([][(! []+[])[!+[]+!+[]+!+[]]+(!! []+[][(! []+[])[+[]]+([! []]+[][[]])[+!+[]+[+[]]]+(! []+[])[!+[]+!+[]]+(!! []+[])[+[]]+(!! []+[])[!+[]+!+[]+!+[]]+(!! []+[])[+!+[]]
The following is an article abroad.
Http://www.jb51.net/article/20553.htm
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var sel = new Object ();
var sel_num = 0;
function Getcookieval (offset) {
var endstr = document.cookie.indexOf (";", offset);
if
But sometimes, when an event is triggered, we first do some operations, and then jump, at this point, we need to use JavaScript to achieve this jump function.
The following are the specific practices:
One: Jump to a new page, and when opened in a
Such a check has met a lot before, but each time is resolved on the end, no record down, and then the next encounter will spend a lot of time to write. Things need to accumulate, now special record down, hope that this kind of work no longer repeat
Like the sort of JavaScript array
There are also the deletion and grouping of the data in the array.
So, later in the interest to come up.
Out of hand.
Write a SQL library that can be applied in JavaScript
Later thought, how can not use JavaScript
Cloud-dwelling community to streamline the use of version, generally many CMS have some such functions. Dedecms in the selection of related articles is also used in such a function. Here is the specific code.
Parent page Core Code:
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method One: Regular replacement recommendation
Personally think the best way. Using regular expressions, this is the core principle.
The following is the original code
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Let's take a look at what
1, the number of long, in C # Legal long integer number in JavaScript unexpectedly ...
Look at the following lines of simple code:
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var a = 2010060612120909191; Id1 generated by Time
var B = 201006061212090
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