JavaScript

Original address: http://www.cnblogs.com/lf6112/archive/2011/07/26/2117348.htmlJavaScript Gets the screen size

Five ways JavaScript implements page jumpsThe first type:The second type:The third type:The fifth type:Copyright notice: I feel like I'm doing a good job. I hope you can move your mouse and keyboard for me to order a praise or give me a comment,

Reference URL: http://zhidao.baidu.com/link?url= Rbwnruhkpbtakwm2-irfedicrh4zsaaevfq2wvbkvfelpku-zsqz4chv8lwkckwrymgjlgiwe-eurt9untsogq= = For general comparison, = = = for strict comparison, = = In comparison can be converted data type, = = =

Prototype objects:Each object has a reference object, which is called a prototype object. The prototype object has its own properties and methods. When a is a prototype object of B, then B has all the properties and methods in a.How the prototype

Current Time plus 2 daysvar d = new Date ("2015-7-31");D.setdate (D.getdate () +2);var addtwo=d.getfullyear () + "year" + (D.getmonth () +1) + "month" +d.getdate () + "Day";"Console output ===============" + "Current date plus 2 days:" +ADDTWO;Using

function must be called to execute, can be a () plus the following function callJS Event1. JS events are often used in conjunction with functions to drive the execution of functions by events that occur, resulting in different effects on HTML.2.

Longest Substring without repeating charactersGiven a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "ABCABCBB" are "abc", which the length is 3. For

function must be called to execute, can be a () plus the following function callJS Event1. JS events are often used in conjunction with functions to drive the execution of functions by events that occur, resulting in different effects on HTML.2.

Scope of JavaScriptThe functions in JavaScript run in the scope they are defined, not in the scope in which they are executed.Local variables are always defined throughout the function body.function scope problems can be divided into two phases:

1 Javascript Object-oriented programmingThe so-called "constructor" is actually a normal function, but the this variable is used internally. Using the new operator on a constructor enables you to generate an instance, and the this variable is bound

/* *  string Encryption  *  string encryption with JavaScript, used for parameter passing, and so on.  *  The default encryption key is kb1234, and the user can customize the modification.  *  Note that the encryption key should be the same as the

Transfer from (for learning) Han Zi late Website: http://www.cnblogs.com/zichi/p/4720000.html First of all, the previous high-performance JavaScript DOM programming, the main point of two optimization, one is to minimize the access to

In the previous chapters, we know that JavaScript code, characters and numbers worth added, converts the value of the count to characters, that is, the number of user input values they are converted to characters.Now we're going to do this example,

There are two ways to set the tag to an empty link. The first one is href= "#" and the second one is href= "javascript:void (0);".Both of these options are set with the label as an empty link. But there are some differences between the two

Principle: is the adjacent number 22 to compare, according to small to large or from large to small in order to exchange,functionBubbleclick () {varstr = "50,1,4,6,9,76,43,22,2,44,7,66"; Bubble (str);}functionBubble (str) {varA =NewArray (); A=

JavaScript Action Cookie

Equivalent to x = a? A:B; var x = a | | b;//executes a () if it returns True to execute B () and returns the value of B (), otherwise does not execute B (), and returns the value of a () performed by A () && B ();//Executes A () If true, returns a ()

elaborate JavaScript typeof operator typeof definitiontypeof is a unary operator used to return a string of operand types. Here is the standard definition of ECAMScript5.1 about typeof:Note: The above table should be labeled "Object" in red. typeof

$doc. On (' click ', '. Btn-funnel-new,.edit_funnel,.charts_add,.postcharts,.charts_remove,.del_funnel ', function (e) {E.stoppropagation ();E.preventdefault ();var _this = $ (this);var Odialog = $ (' #chartsModal ');Switch (TRUE) {Case _this.is ('.

this is test page    window.onload=function () {     var obtn1=document.getelementbyid (' btn1 ');     var obtn2= document.getElementById (' btn2 ');    var timer=null;         obtn1.onclick=function () {        timer=setinterval ( function () {