JavaScript

1. Use of the plus sign "+" Http://blog.csdn.net/semanwmj/article/details/7191940 2. Use of logical operators VaR A = x & Y; When x = true, A = y; When x = false, A = X; If X is false, the entire expression (X & Y) will not

Javascript tutorial-from getting started to mastering (preface)   Javascript is developed by Netscape and released with navigator navigators. It is between Java and HTML and is driven by Object events.Programming LanguageAnd is receiving

You can add CSS in the following ways: inline, embedded, external chained, and imported. A. dynamically introduces the style sheet file: function loadlink (URL) {var link = document. createelement ("Link"); Link. type = "text/CSS"; Link. rel =

Similar to escape (), which is represented by a set of numbers XXX later is the hexadecimal number encoded in the character set table, that is, % XXXX and/uxxxx indicate the same, for example, if the hexadecimal 5ba0 value is input, it can be

/* Programming: the right side of the body */var cpro_id = 'u883220 '; Use JavaScript to determine whether an HTML element exists:  1. Determine whether the form element existsIf ("periodpermonth" in document. theform ){Return true;} Else {Return

var num = 0; // record the number of added rows function addrow () { var databox = document. getelementbyid ("databox"); // table var OTR = databox. insertrow (databox. rows. length); // parameter: the number of rows in the table-1, followed by

From: http://www.80diy.com/home/20050610/22/4074541.html Common JavaScript verification functions // Determine whether it is a floating point number. Function isfloat (s){VaR patrn =/^ [0-9] {1} ([0-9] | [.]) {0, 19} $ /;If (! Patrn.exe C (s)

Function winopen (URL, width, height, scrollbar, resize) { // URL // Widht // Height // Scrollbar 0 Yes 1 NO // Resize 0 true 1 false Ow = width;Oh = height;OS = scrollbar;OR = resize;VaR xposition = 0;VaR yposition = 0;If (parseint

Another piece of code in greasemokey is that greasemokey developers found a Firefox bug and wrote it in comments. The Firefox developers saw this section, so they provided the solution below, and replied. // This is the most amazing thing I have

Document directory Javascript object-oriented programming, Part 1: Inheritance Javascript object-oriented programming, Part 1: Inheritance Author: lzlhero Release: heiyeluren Time: 2005-08-25 We will show you how JavaScript implements the

Prototype pattern is a creation mode. In the gof book, its intention is described as specifying the object type with the prototype instance, and creating new objects by copying these prototypes. Prototype pattern itself is actually very simple. Any

From: http://blog.csdn.net/android_tutor/article/details/5853143 In Android, The webview control can be used to call the pages to be loaded and Android methods. We need to implement the addjavascriptinterface method in webview so that HTML can call

Preparation: 1. Prototype. JS, http://prototype.conio.net/, used in the Chinese Character Library of ajax.pdf 2, Chinese Character Font http://cn.minidx.com/index.php? Option = com_docman & task = doc_download & gid = 47 Certificate -----------------

getElementsByClassName: AA AA AA afdafaf var getelementsbyclassname = function (classname, node, tag) {var node = node | document, nodes, Res = [], match = false, eles, ELE, classes; If (document. getelementsbyclassname) {nodes = node.

Define objects in Javascript VaRXiaoxing = {grade: 1, Name:"Xiaoxing", Age: 27, sex:"Male", Speak:Function(Words) {alert (This. Name +"Said :"+ Words +"! ") ;}, Improve:Function(){This. Grade ++ ;}} In this way, I become an object. You can

When we see links on other people's web pages that enable, print, forward, save as, back, close this window, disable right-click, and so on to implement browser commands, are you sorry? Do you also want to implement it? It would be interesting to

CSS Filter: pixelate Pixelate compatibility: ie5.5 + Syntax: Filter: progid: DXImageTransform. Microsoft. pixelate (Enabled = benabled, duration = fduration, maxsquare = iwidth) Attribute Enabled: Optional. Boolean ). Set or retrieve whether the

Set latency in JS:Setinterval is similar to setTimeout.SetTimeout is used to perform an operation after a delay period.SetTimeout ("function", time) sets a timeout object Setinterval ("function", time) // sets a timeout object Setinterval

Reference content is as follows: new document

JS-& # Unicode; encoding conversion var tohtml = { On: function (STR) { var A = [], I = 0; for (; I return "& #" +. join ("; & #") + ";" }, UN: function (STR) { return Str. replace (/& # (x )? ([^ &] {1, 5 });? /G, function (a, B, c) { return