JavaScript

For example Code Copy codeThe Code is as follows :{ VaR temp = "12 "; } Alert (temp); // OUTPUT 12 According to the general programming experience, the alert function cannot access the temp variable because it is in another block, but in

The prerequisite is that word is installed on the computer. Here, word. application is used. CopyCodeThe Code is as follows: walkingpoison's word-to-HTML sample Click the Save button to convert the c: \ test.doc file to the C: \

1, prototypeProgramLibrary This is the first library to simplify document. getelementbyid () to $. For example, the original var myele = Document. getelementbyid ('id') is equivalent to VaR myele = $ ('id ') In addition, $ also extends some

There is no technical innovation in this article. You only need to write a little javascript technology. Step 1:View on the page Source codeTo find the HTML control that needs to be filled in the form, for example: Step 2: CompileCode

First, the function is also an identifier in JS. It can be assigned to a new variable or called through this variable. This is a bit like a function pointer in C, but it is not exactly the same, as shown in the following Code : Copy code The Code

VaR STR = "hello "; STR + = "world "; In fact Code Follow these steps: (1) create a string that stores "hello. (2) create a string for storing "world. (3) create a string that stores the connection results. (4) copy the current content of STR to

CopyCodeThe Code is as follows: VaR is = function (OBJ, type ){ VaR tostring = object. Prototype. tostring, undefined; Return OBJ = NULL & type = 'null' | OBJ = undefined & type = 'undefined' | Tostring. Call (OBJ). Slice (8,-1) === type; } //

A group of Functions found on Firefox's official website is equivalent to treewalker. With this function, you can easily implement all the functions of traversal API 2 in IE (nextelementsibling, previuselementsibling, firstelementchild,

CopyCode The Code is as follows:

Javascript Delete example CopyCode Code: var flower = {}; Flower. Name = "Oop "; Delete flower. Name; // true Alert (flower. Name); // undefined Create an object named flowerFlower has the member name and value "Oop ";Delete operation to delete

1. ie uses the attachevent/detachevent method to add and delete event listeners. W3C uses the addeventlistener/removeeventlistener method. 2. ie uses the onevent naming method for its events, while W3C uses the event naming method. 3. the IE

So I searched the internet and used another method, setTimeout ("Fun (" + parameter + ")", 1000, however, the preceding method is applicable when passing form textarea. For example, hml is like this: CopyCode The Code is as follows:

In IE7, Use jquery Display: $ ("# A"). ATTR ("style ",""); Hide: $ ("# A"). ATTR ("style", "display: none "); However, this method does not work in IE8. IE8 Display: $ ("# A"). removeattr ("style "); Hide: $ ("# A"). ATTR ("style", "display:

You may often encounter this problem as follows:1. Create DOM elements2. Dom element insertion3. Dom element replacement4. Delete DOM elements First, there are some simple DOM elements on the page. aaaaaaaa bbbbbbbbbb ccccccccc Next we will

In JavaScript, the object has no prototype, and the constructor has the original type. Meaning of prototype: If the constructor has a prototype object A, all instances created by the constructor must be copied from CopyCode The Code is as follows:/*

Apply and call. They are used to bind the function to another object for running. The two are different only when defining parameters: Function. Prototype. Apply (thisarg, argarray ); Function. Prototype. Call (thisarg [, arg1 [, arg2…]); From the

Truncated array: slice (startindex, endindex ): Returns the array with the specified start position and end position. Does not change the content of the original array. There is also an important method to insert, delete, or replace array

I have just compiled some articles about javascript cookies. I found this article is also good. I suggest you refer to it and select what you need. The main disadvantage is setting the path, you can combine your favorite friends. Copy codeThe Code

Copy codeThe Code is as follows :/* Author: liulf Function: Var _ db_cpcj = vCpcj; Var _ db_cp = vCp; Var vCp = {"cppage ":[ {"Cpdh": "A01000101", "page": "1", "ca": "1309-36-0", "mc": "", "ename": "Pyrite", "bm":" "}, {"Cpdh": "A01000201", "page": "

Copy codeThe Code is as follows: // check whether it is not empty Function notEmpty (obj, msg) { Str = obj. value; Str1 = ""; For (I = 0; I { If (str. charAt (I )! = "") { Str1 = str. substr (I, str. length ); Break; } } If (str1 = "") { Alert (msg )