JavaScript Regular expression Validation date (difference excepting and leap year)

A DateTime value type represents a range of values in the year (Christian ERA), January 1, 01 12:00:00 to A.D. (C.E.) December 31, 9999 between 11:59:59. Let's get to the point.First you need to validate the year, and obviously the year range is 000

JavaScript read and write JSON sample _javascript tips

JSON (JavaScript Object notation) is a simple data format that is lighter than XML. JSON is the native format of JavaScript, which means that processing JSON data in JavaScript does not require any special APIs or toolkits.The rule of JSON is simple:

JavaScript implements BASE64 code conversion _javascript Skills

Brief introduction Base64 is a representation that represents binary data based on 64 printable characters. Because 2 of the 6 times equals 64, each 6 bit is a unit, corresponding to a printable character. Three bytes have 24 bits, corresponding to

Adobe Air and Dreamweaver for JavaScript developers

Author: David Tucker Adobe Air has excellent support for html/javascript applications and desktop integration, but in addition to all the additional features, additional tools and techniques are required. This article explores the differences

Deep understanding of JavaScript errors and Stack traces __java

Sometimes people don't pay attention to these details, but this knowledge is certainly useful, especially if you are writing a library related to testing or errors. This week, for example, there was an amazing pull Request in our chai, which greatly

Learning JavaScript Tutorials: JS face questions (with answers)

Article Introduction: a complete set of JavaScript face test questions. One, single topic 1, which of the following statements will produce a run-time error: (a,d) A.var obj = ();   B.var obj = [];       C.var obj = {}; D.var obj =//; 2.

Introduction to JavaScript Array objects

Array arrays1. Introduce An array is an ordered collection of values. Each value is called an element, and each element has a position in the array, represented by a number, called an index. JavaScript arrays are untyped: array elements can be of

Talk about some difficult problems in JavaScript grammar (i.)

1) Intro Not long ago I set up a technology group in a MM asked a question like this, she posted the code as follows: var a = 1;function hehe (){Window.alert (a);var a = 2;Window.alert (a);}Hehe (); The results of the execution are as follows:

JavaScript Object-Oriented programming: JS class to define functions with no prototype difference

has been using JS to write self-righteous object-oriented approach, encountered a problem, is to define a method, as follows: function ListCommon2 (First,second,third) {this . First=function () { alert (' +first '); }

How can you tell if two variables are "equal" in JavaScript?

1 Why should you judge?Some students may see this title will be puzzled, why we have to determine whether the two variables in JavaScript is equal, JavaScript is not already provided with the double equals "= =" and the three equals "= = =" To us

JavaScript authoritative Guide (6th edition) Learning Note Three

Sixth Chapter ObjectAn object can be considered an unordered collection of its properties, and each property is a name/value pair. JavaScript objects are dynamic, can be added or can be deleted, and can manipulate objects by reference, not by value.

Introduction to the moment of date types in JavaScript

about the date type in JavaScript, I believe that jser are not unfamiliar with it, but also necessarily for that complex difficult to remember the various conversion functions headache, this article will share my knowledge of the date type of JS

Use Dreamweaver 5.5 + jquery + phonegap + ArcGIS javascript API to develop cross-platform mobile apps

ESRI provides APIs for iOS, Android, and Windows phones. GIS developers need to use different ArcGIS mobile APIs to develop the same Mobile GIS application for different platforms, this not only increases development costs, increases development

Vue. js uses vue-router to redirect to a page. vue. jsvue-router

Vue. js uses vue-router to redirect to a page. vue. jsvue-router Preface When using Vue. js for a project, a page consists of multiple components. Therefore, the traditional href is not suitable when you jump to the page. Therefore, vue-router came

Transform performs 2d and 3d deformation (css Animation 1), transformcss

Transform performs 2d and 3d deformation (css Animation 1), transformcssThis is my understanding and arrangement after learning. If you have any errors or questions, please correct them and I will keep updating them!   For some time, I did not

JavaScript: Introduction to Object-Oriented Programming

JavaScript: Introduction to Object-Oriented ProgrammingIntroduction In this article, we will consider various aspects of object-oriented programming in ECMAScript (although this topic has been discussed in many previous articles ). We will look at

How to Use pcsapi to upload and download files to a free Baidu online drive _ javascript skills

Baidu's personal cloud disk has a large space and is completely free of charge. It also provides pcsapi for calling operation files. It is very practical to save some files in projects. This article describes how to use pcsapi to upload and download

Javascript & DHTML instance programming (Tutorial) DOM basics and basic API Basics

Javascript & amp; DHTML instance programming (Tutorial) DOM basics and basic APIs 1. What is DOM? What is DOM? DOM is a Document Object Model (Document Object Model), a set of API Interfaces Based on browser programming (in this tutorial, it can be

Install and deploy the Egret development environment in Windows _ node. js

Egret is developed based on TypeScript, while tsc is developed based on Node. js. Therefore, during the installation process, we must first install the basic support tools. The software to be installed is as follows: Node. jsTypeScriptTypeScript

JavaScript Object-Oriented Programming Tutorial _ basic knowledge-js tutorial

This article mainly introduces the concepts related to JavaScript object-oriented programming, such as classes, objects, attributes, methods, and other object-oriented terms, and explains the use of various terms with examples, this is a very good

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