var x = "XX";
y = "xxx";
Such. There's a problem here, for example, in a line in the code, I would like to use a declared variable x, the result of typing or spelling errors, the variable is written y, the result is equivalent to "implicit" declared
1, reference
A reference is a pointer to the actual position of the object. Look at the following examples of using references:
[Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]
Copy Code code as follows:
function Get_cookie (name) {
var start = Document.cookie.indexOf (name+...= ...);
var len = start+name.length+1;
if ((!start) && (name!= document.cookie.substring (0,name.length)) return null;
if (start = =
A bad time to answer, especially undefined, because this involves the realization of the principle of undefined. So, after thinking carefully, write down this article, please heroes to shoot bricks.Total known: null = = undefinedHowever: null!==
1. Save HTML page to Word
Copy Code code as follows:
Cell 1
Cell 2
Cell 3
Cell 4
Cell merge
test
2. Generate Word with JS
Copy Code code as follows:
****
Ways to add a function
function addevent (node, type, listener) {
if (Node.addeventlistener) {
The method of the Consortium (DOM method)
The false meaning in the following statement is for the bubbling phase, and if true is for the capture phase (ie
jQuery function Parameter Pass
Use external variables in the function functions of jquery:
How to obtain I variable for
(i=0;i
JavaScript, JQuery detects whether a function exists
The method for detecting whether a function exists in
An increase in the array
Ary.push ()
Adds an element to the end of the array, returns the length of the new array added, and the original array changes
Ary.unshift ()
Adds an element to the beginning of the array, returns the length of the new
Copy Code code as follows:
Creates a new user object that accepts an object with many attributes as a parameter
function User (properties)
{
Iterate through all the properties of the object and ensure that it is scoped correctly
for (var i
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,
Connection of Strings
One, the most commonly used =
Always said that this way of efficiency is the lowest, why? You can look at the real process of this approach.
var str = "Hello";
str = "World";
(1) Create a string that stores "Hello".
(2) Create
1. The standard method
Copy Code code as follows:
Example: click
2. It is to be noted that Firefox does not support this feature, it supports the syntax is
Copy Code code as follows:
window.open
('
This article for you to share the JavaScript implementation of sliding selection date of the specific code for your reference, the specific content as follows
$ (page). On (' Touchmove ', ' #touchMoveTime ', function (event) {Touchmove (event)
First text up and down interval scroll correction version
compliant with Web Standard text interval scrolling JS code
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There are
True: Completely copy a node, what is called complete, is to copy everything, including his child nodes, so that text nodes, all of which are cloned, the so-called complete
False: Clones only the current node, does not clone any child nodes, and of
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