JavaScript

Today, we will briefly introduce the Javascript dialog box and status bar. JavaScript and dialog box: Three dialog box icons: In the client browser, three common window methods are used to pop up a simple dialog box, which are alert (),

/* Select All */ Function sb002selectall () { VaR table = Document. getelementbyid ("ctl00_maincontent_grvdevelopkit "); For (VAR I = 1; I { VaR input = table. Rows [I]. cells [0]. getelementsbytagname ("input") [0]; Input. Checked =! This.

First, list your birthday, for example 1987 12 25. Then add 1 + 9 + 8 + 7 + 1 + 2 + 2 + 5 = 35 Split the obtained number and add 3 + 5 = 8 The resulting number 8 is the final result. If it exceeds 10, it will be added to the split. 1 kidney 2 eyes 3.

CopyCodeThe Code is as follows: String. Prototype. Trim = function (){ VaR _ argument = arguments [0] | ""; VaR _ Re = new Regexp ("(^" + _ argument + "*) | (" + _ argument + "* $)", "G"); // case sensitive Return this. Replace (_ re ,""); }

Supports LRC lyrics, ie only CodeIt is not encrypted and has detailed comments. I hope it will help my friends who make music pages. If you have many other players, let me know. Features of this player: 1. The song address and the lyrics

In JavaScript, mathematical methods can be divided into the following types:Constans (constant), power functions (multiplication function), trigonometic functions (trigonometric function), rounding functions (rounding function), random numbers

Ecmascript can recognize two types of objects: Native object and Host object, which are provided by the runtime environment, for example, document object, Dom Node Native objects is a loose structure and can dynamically add properties. All

Note: The following content is based on the GIF onload event in IE, so all tests are ie only Images to be used Let's look at a simple fact: CopyCode The Code is as follows: If not expected, a large number of alert Prompt Windows should pop

1. var myobject = {}; 2. Function myobject () { .... } 3. var myobject = function (){}; For the last two methods, we can also add parameters, which is similar to a constructor with parameters. For example: Function myobject (MSG) { Alert (MSG

To hide table columns, the most common method is as follows: CopyCode The Code is as follows: TD. style. Display = "NONE "; This method is extremely inefficient. For example, hiding a column in a table of thousands of rows takes about 1.4

Translated by Aaron Gustafson and Li songfeng Li yawen. It is definitely a book worth reading. For more information, see. Below are the common JavaScript traps and object concepts I extracted from them. Hope to help you. Common traps in

ArticleDirectory Dubbed bubbling) Event capturing) DOM event stream Which events Support bubbling and which events do not? What is 'easy '? Event stream The event stream in the browser means that there may be one or

CopyCode The Code is as follows: 1. Create an object using JSON in Javascript JS CodeCopy codeThe Code is as follows: // create an empty objectVaR jsonobject = {}// Create a new objectVaR jsonobject = new object ()// Create an object that

The day before yesterday, I spent a while and sent an article [one line of code to easily handle the quick message function]. At the same time, I released the quick message function and source code of v1.0beta. Code The reason for beta is that

1. Math. Min () and math. Max () return the minimum and maximum values of the parameters respectively. Example: Alert (math. Min (1, 2, 3) // output "1" Alert (math. Max (1, 2, 3) // output "3" 2. Math. Abs () returns the absolute value of the

JSON rules are simple: the object is an unordered set of 'name/value' pairs. An object starts with "{" (left parenthesis) and ends with "}" (right Parenthesis. Each "name" is followed by a ":" (colon); "," (comma) is used to separate the "name/value"

When I used JSMin. Over time, I found it too troublesome! Since we are programmers, why not make things easier? Therefore, I started to "friendly" JSMin. In the process of "friendliness", I encountered unexpected problems. I will immediately

1. A brief introduction to JavaScriptMost of the JavaScript mentioned in the internet or books refer to the client JavaScript.JavaScript is a lightweight, interpreted, and object-oriented programming language.Ø JavaScript features1) control the

I can't talk about the translation of "Xin \ YA \ da". I hope I can make a mistake in the article. Programming traps (gotcha) refer to unexpected document features in computer systems rather than bugs. these traps keep beginners away from javascript