NanyiDate: August 30, 2009Closures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closures.Here is my study note, which should be useful for JavaScript beginners.The scope of a
The data type of JavaScript is very weak (otherwise it will not be called a weakly typed language)! When using arithmetic operators, the data types on either side of the operator can be arbitrary, for example, a string can be added to a number. It
modularity : Closures and function scopes (JS without block-level scope ES6) Construction module1 varman=function(){2 varAge=12;3 return {4GetYear:function(){5 returnAge ;6
The distinction between a function declaration and an expression of a functionfunction declaration:function function name ( parameter: Optional ) { body }function expression:function name (optional)( parameter: Optional ) { function body } function
4.1 Confirm form Required Project Integrity username:password: confirm password:This program consists of the form part and the JavaScript partfunction $ to get a reference to a page element based on the page element "id" propertyCall the
Get class :1) Dynamic Method:CharAt: Gets the character at the specified position of the string. (parameter: one that specifies the character position to get)1, negative numbers are not accepted, and if negative, an empty string is returned.2, if
JavaScript gets the last day of a month in a year1. Implement source code javascript gets the last day of the month of the Year & lt;/title> 2. Achieve Results JavaScript gets the last day of a month in a year
Reproduced in: http://www.uw3c.com/cssviews/css12.html at work, if we want to put a link in a tag into an empty link, we generally use two methods:
1
"#"target="_blank">
Or
1
This article mainly introduces the creation of the Dictionary object (dictionary) instance in JavaScript, this paper gives the realization of the source code, and gives the use of examples, the need for friends can refer to the followingFor
Ext.: http://blog.csdn.net/liuyong0818/article/details/4807473We already know that there is a cookie attribute in the Document object. But what is a Cookie? "Some Web sites store information on your hard disk with very small text files, which are
13 Time bought the "advanced Programming of JavaScript" (3rd edition) and jquery book, usually occasionally also look at one or two eyes, no system to see, this year set the goal is to learn the web, so intend to learn a system. Write down the
JavaScript function callsThere are 4 ways to call JavaScript functions.The different way of doing this is in the initialization of this. This Key WordsIn general, in JavaScript, this points to the current object when the function executes .
Use jQuery to parse an HTML table instance, jquerytable
Finally:
Let's take a look at the main parts:
HTML:
.td_back_color { background-color: red; } .td_center { text-align: center; font-weight:bold; }
CSS:
2013 Spring Festival Gala
JavaScript uploads files asynchronously.
Asynchronous file upload is required for better user experience and is required by each front-end. Here I propose three methods for asynchronous file upload.
Use third-party controls, such as Flash, ActiveX,
How to Use the JQuery date plug-in datepicker, jquerydatepicker
JQuery is a very good script framework. Its rich controls are also very simple to use, and the configuration is very flexible. The following is an example of using the date plug-in
Js achieves text scrolling, js achieves text scrolling
First, let's take a look at it. Because it is dynamic, it cannot be displayed on the page.
The specific implementation code is as follows:
1. The first is the css code:
2. The content code is
Automatically complete the javascript implementation in the search box.
In many websites that need to be searched, there will be an automatically completed search box. users can search for the search term they want. help users quickly find the
Implementation Method of removing spaces before and after strings in js, and implementation of spaces in js strings
When we edit some pages, spaces before and after the string are usually invalid. Therefore, you must filter the information.
For
Explore angularjs + requirejs to fully implement on-demand loading routines, angularjsrequirejs
When performing a project of a certain scale, you usually want to achieve the following goals: 1. Support Complex page logic (dynamically display content
Common JS Regular ExpressionsDefinition and use
var patt1 = new RegExp("hello"); var patt2 = /world/ ; Test Method
The test () method retrieves the specified value in the string. The return value is true or false.
var pat = /my/; var str = "this is
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