JavaScript

Executable Syntax: $ ("ul li "). filter (": contains ('canon '),: contains ('panasonic'),: contains ('case')" ).css ("color", "red ");Incorrect syntax: $ ("ul li "). filter (": contains (" canon "),: contains (" Panasonic "),: contains (" Casio ")" )

Copy codeThe Code is as follows:Function Test (){This. name = 'test ';Return function () {return true ;}}Var test = new Test (); // What is test here?Is it a Test object? Error! Here, test is a function -- function () {return true;} returned by Test

Recently, I just opened Sina Weibo and wanted to create a browser plug-in to forward text news and so on. I thought I should use C ++ to write a plug-in (c # is so big, sometimes it is really a headache), but google, it's really good, I found it,

Copy codeThe Code is as follows:Var TimeObjectUtil;/*** @ Title time tool* @ Note: If this type is not verified, false is returned.* @ Author {boonyachengdu@gmail.com}* @ Date 2013-07-01* @ Formatter "00:00:00", "2013-07-01"*/TimeObjectUtil = {/***

JQuery is now the most popular JavaScript tool library. According to statistics, 57.3% of websites around the world are currently using it. That is to say, six of the 10 websites use jQuery. If you only look at the websites using the tool library,

In the previous blog, we set div to center display. Today we will share how to center the table. As for the principle of center, let's not talk about it. Let's take a look at my previous blog. Instead of using two windows events this time, we use a

(1): First, write the function clockon () for real-time system time display in JS. There is only one parameter bgclock, which is used to specify the name of the flag used for display after conversion. No return value is returned, during website

Requirement: blank items are not allowed on the next screen during image switching. In other words: 1. When the number of moves on the last screen is smaller than the number to be displayed, only the difference is moved (the number of displays-the

First, define the css style:Copy codeThe Code is as follows:@ Media print {. Noprint {display: none; color: green}} You only need to add class = noprint to the label for the content that you do not want to print. During the printing, the customer

Instance 1 -- controls the constant movement and stop of an objectHTML:Copy codeThe Code is as follows:JS: Implement right motionCopy codeThe Code is as follows:Var timer = null;Window. onload = function (){Var odiv = document. getElementById ('d1 ')

CssCopy codeThe Code is as follows:Body, span, div, td {font-size: 12px; line-height: 1.5em; color: # 849BCA ;}# BodyL {float: left; width: 84px; margin-right: 2px ;}A. od {width: 80px; height: 25px; line-height: 25px; text-align: center;

Function expression 1. A function defined in JavaScript can be used for two minutes: 　　1-1. function declaration:Copy codeThe Code is as follows:Function funcName (arg1, arg2, arg3 ){// Function body}① Name attribute: the name of the function to be

Url paramter:Copy codeThe Code is as follows:// Lastest:Var getArgs = function () {// get url querystringVar params = document. location. search, reg = /(? : ^ \? | &)(.*?) = (.*?) (? = & | $)/G, temp, args = {};While((temp1_reg.exe c (params ))! =

In this applet, you need to set the name of the images folder to sequential, 1, 2, 3 ......Copy codeThe Code is as follows:Var imgnumb = 1;Function imgfor (){Imgnumb ++;Document. getElementById ('img1'). setAttribute ('src', 'images/'+ imgnumb +

In jQuery, there are several ways to determine whether an object is a number or whether it can be converted to a number.First, jQuery. isNaN () has been removed from the latest version (after 1.7) and replaced by jQuery. isNumeric (). This is not

The typeof in JavaScript is actually very complicated. It can be used to do many things, but it also has a lot of weird performances. This article lists its usage and points out the existing problems and solutions. The premise of reading this

JS calculator code: simple javascript calculator [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Note:JavaScript eval () functionDefinition and usageThe eval () function computes a string

An article on "getting started with JavaScript" covers many of the most basic content in JavaScript, from creating SCRIPT tags to using annotations, including JavaScript files in HTML documents, defining variables, using operators, defining arrays,

A preliminary study and understanding of json2.js1) The js is: http://www.json.org/json2.js2) reference the script on the page: 3) Example 1:Copy codeThe Code is as follows:// Directly declare the json Data StructureVar myJSONObject = {"bindings ":[{

Some of the code segments are supported since jQuery1.4.2, while others are actually useful functions or methods. They can help you complete things quickly and well. These are code segments with the best performance I can remember. If you find