JavaScript

Copy codeThe Code is as follows:Function AppTag (tagcode){Document. PostMessage. Message. value + = tagcode;}Function InsertTag (tagbegin, tagend){If (document. selection) & (document. selection. type = "Text ")){Var range = document. selection.

first second third fourth fifth sixth seventh eighth ninth tenth

In the article "how to use this keyword in JavaScript", I have demonstrated the eight methods of this keyword in JavaScript and JScript. This does not mean that there are two ways to use the this keyword that I did not mention at the time. I would

In object-oriented programming language, we are very familiar with this keyword. For example, C ++, C #, and Java all provide this keyword. Although it is difficult to start learning, you only need to understand it, it is very convenient and

Copy codeThe Code is as follows:

Test results:In IE:> Supports keyCode.> Which and charCode are not supported. Their values are undefined.In Firefox:> Supports keyCode. Except for function keys, other key values are always 0.> Which and charCode are supported. The values are the

Since ie changed the display mode of flash, flash has suddenly become a chicken rib.Many websites have removed the previous flash Animation and switched to a js program to implement the animation function.The same is true for the csdn homepage .. I

New Document Code Description [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute] New Document Code Description [Ctrl + A select all Note: If you need to introduce

Specify their values1. typeof (NaN), typeof (Infinity), typeof (null), typeof (undefined)2. NaN = NaN3. NaN! = NaN4. NaN> = NaN5. null = undefined6. null> = undefined7. null 8. parseInt ("123abc ")9. "123abc"-010. Infinity> 1011. Infinity> "abc"12.

Although JavaScript has a short history, it has developed rapidly. NetScape initially developed the LiveScript language, enabling its Navigator and Web Server products to have basic scripting functions. After the Java Applet was added to Navigator 2.

In JavaScript, void is an operator that specifies to calculate an expression but does not return a value.The format of the void operator is as follows:1. javascript: void (expression)2. javascript: void expressionExpression is a standard JavaScript

Author: marvellousThis article aims to give you a comprehensive understanding of select and analog select, so that this technology can play a higher level.The original select is indeed a simple drop-down list: 1 2 not the same Shanghai

untitled document 1111111111111 2222222222222 3333333333333 4444444444444 5555555555555 6666666666666 77777777777777 88888888888888 99999999999999 [Ctrl + A select all Note: If you need to introduce external Js,

Trackback: http://tb.blog.csdn.net/TrackBack.aspx? PostId = 348256

and connection selection-suitable for permission selection var arr = tree. getElementsByTagName ('input') for (var I = 0; I [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

By default, IE displays the link with the alt attribute image and title in a floating manner.Blue ideal [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Many of my friends think it's hard to

Author: xmg (MA Ge)Copy codeThe Code is as follows: Field 1 Field 2 Field 3 Field 4 Field 5 Field 6 Field 7 Field 8 Field 9

1. apply and call functions of javascriptPrototype. js uses a large number of apply and call functions, which may cause misunderstanding if you do not pay attention to them.Official explanation: apply a method of an object and replace the current

If you use JavaScript to add the form Element & lt; input & gt; to the table, & lt; form & gt; input & gt; included There is a problem with IE processing the end tag in the form of "/>. As shown in the following section: If you use JavaScript to

First, we make sure that this browser is IE and has been tested once. If you have doubts about this, you can test it. 1. document. all2 ,!! Window. ActiveXObject; The usage is as follows: If (document. all ){Alert ("IE browser ");} Else {Alert