JavaScript

Creating a JavaScript Form validation plug-in can be said to be a tedious process involving initial design, development, testing, and so on. In fact, a good programmer is not only a technical master, but also should be good fake in foreign objects.

Demo Address: Http://codepen.io/anon/pen/pJERMq Implementation results:HTML code: accordion effects First category 1 2 3 4 Category II 567 Category III 891011 Fourth category 12131415 CSS code:/** by @Kevin happy times *2015/5/21*/*{

Validates the input string is a valid date formatted as "MM/DD/YYYY"function Isvaliddate (datestring) {First check for the patternif (!/^\d{1,2}\/\d{1,2}\/\d{4}$/.test (datestring)) {return false;}Parse the date parts to integersvar parts =

The case code is as follows: Click this button to get a time-based greeting. click here var elem= document.getElementById ("demo"); get Elementelem.innerhtml = x; The HTML content of Elem becomes x, where x is the HTML contentThis means

Avascript gets the current timestamp:The first method:Copy CodeThe code is as follows:var timestamp = date.parse (new Date ());Results: 1280977330000The second method:Copy CodeThe code is as follows:var timestamp = (new Date ()). ValueOf ();Results:

Original: [Beauty] Dan MantylaCatalogue Preface 1 The Power of JavaScript functional programming-for example 2 functional Programming Basics 3 establishing a functional programming environment 4 technology for functional programming in JavaScript 5

Scope and scope chain Brief introduction:As long as it is a programming language, then the scope is an inescapable problem, the following is an example of a simple introduction of JavaScript scope and scope chain.In JavaScript, scopes are divided

Javascript Modular Programming Author: Ruan Feng time: 2013-01-08 18:04 read: 7,632 recommendations: 40 original link [favorites]As Web sites become "Internet Applications", Javascript code embedded in Web pages is becoming larger and more

First, convert to numeric type 1.number ( parameter ) converts any type to a numeric type A. if it is a Boolean value,false is 0andtrue is 1B. if it is a number, the conversion becomes itself. Remove the meaningless back guide 0 . C. if Null is

1. Variable conversionsIt looks simple, but as far as I can see, using constructors, such as array () or number (), is a common practice for variable conversions. Always use raw data types (sometimes called literals) to convert variables, which is

1.To avoid such circular reference problems, it is best to manually break the connection between the native JS object and the DOM element when you do not use them:Code:myobject.element = NULL;ELEMENT.O = null;2. Isfinite (); is a finite number3.

Original: JavaScript Math and Number ObjectMath object: A Mathematical object that provides a mathematical calculation of the data. such as: Get absolute value, rounding up and so on. No constructors, cannot be initialized, only static properties

JS implements the simple router function and js implements the router This article describes how to implement simple router functions in JS. Share it with you for your reference. The specific implementation method is as follows: var wawa =

CSS naming rules and css naming rules Reprinted statement:Original: BingoLink: http://blog.bingo929.com/css-coding-semantic-naming.html I would like to thank the author for sharing this article. This article is completely reproduced from the above

JQuery static method type usage and source code analysisJQuery. the type method is a tool method for detecting data types. Before analyzing its usage, summarize the methods that js provides for us to monitor data types; i. below is the test code var

PHP and jQuery realize special effects of the red-blue voting function, phpjquery This is a very practical example of voting, which is applied in the scenario where both parties disagree with the voting. Users can select one party to vote on behalf

Javascript to get Summary of webpage width and height, javascript to get summary Document. body. clientWidth-visible area width of the webpageDocument. body. clientHeight-the visible area of the webpage is high. Document. body. offsetWidth-visible

Step-by-step method for building a nodejs server on an iPhone, iPhone enodejs 1. Compile jxcore for running on ios Copy codeThe Code is as follows:$ Mkdir ~ /Jxcore$ Cd ~ /Jxcore$ Git clone https://github.com/jxcore/jxcore.git Copy codeThe Code is

In JavaScript, The getDate () method is used to return a specified date. This article describes how to use the getDate () method to return a specified date in JavaScript. It is a basic knowledge of getting started with JavaScript. For more

My front-end course and Course It is hard to imagine that I was still working on Background Development half a year ago. I know little about the front-end and can now be engaged in front-end development. The learning process in the past six months