JavaScript

Chapter three DOM Script DOM programming reading notesAccessing and modifying DOM elementsBrowsers often require DOM implementations and JavaScript to remain independent of each other.Code trident). This separation technology allows other

1, hasOwnProperty and inFirst to understand the hasOwnProperty method. This method is used to examine the object's non-prototype chain properties, in other words, to check the user-defined attributes in the object, and these properties are not

TemplateThe core concept of templates in JavaScript is to merge HTML fragments and JavaScript objects that contain template variables, replacing template variables with attribute values in objects. The book describes several libraries as template

Open the written JavaScript code in chrome. On the page, right-click and select "Review element". Pop-up form: Then, click on the "Resources" tab:Then click "Enable Resource Tracking", import the source file, and select the "Script" tab, as

The previous section on the principle of asynchrony basically put back the function is also a few words, this section mainly to give a few examples to materialize. Before starting, the first thing to understand is that in JavaScript, functions can

Object orientedSeveral important features of object-oriented thinking (requirements for classes): Abstraction-encapsulation, information hiding (internally implemented methods and data hiding, defining open interfaces) Inheritance-subclasses can use

//Time functionvar mydate = new Date ();Mydate.getyear (); Get Current year (2-bit)Mydate.getfullyear (); Get the full year (4-bit, 1970-????)Mydate.getmonth (); Get the current month (0-11, 0 for January)Mydate.getdate (); Get current day

This article mainly for the common elements of the Web page (such as: radio button, check button) JavaScript operation, for a simple source code sample demonstration, please refer to the small master. If there is any deficiency, please ask the great

Drop-down list in our daily web browsing process, everywhere, is a web programming process is very familiar with a page element, with the increasingly powerful HTML language, its in the hands of the vast siege lion is changeable, there are many

JavaScript closures are the knowledge that JS development engineers must gain in-depth understanding. In March, I wrote a blog, "JavaScript closures," the blog is simply a description of the closure of the work process and a few examples, and did

JS magic Hall: learn more about instanceofI. Breif we all know that instanceof is generally used to check whether the object A is an instance of Class B or A subclass. The problem is that JS does not have the concept of class, nor does it have the

Use of asynchronous request $ http object in AngularJS?? AngularJS provides$. Ajax similar to jqueryFor asynchronous requests.AngularJS is highly admired for asynchronous operations, so$ Http operations are asynchronous, unlike the async parameter

Use js to copy part of the text in the link. The link on the webpage is generally in the shape of a finger. As a result, you cannot drag the mouse to copy the link. The following JS section allows you to copy the link, save this code as a chrome

JavaScript: closure (Closures)Introduction In this chapter, we will introduce closure, a common topic in JavaScript ). In fact, we have all talked about closures. However, we should try to discuss the closure from a theoretical point of view to see

JavaScript: constructor mode in Design ModeIntroduction Constructors are familiar to everyone, but if you are a newbie, you still need to know what constructor is. The constructor is used to create a specific type of object-not only declares the

How to determine the js object type When writing javascript programs, you may often need to determine the type of an object. For example, if you write a function, you need to compile different codes by judging different parameter types. First, you

Upgraded magic version of jQuery custom bindingJQuery custom binding First, let's take a look at the use of jQuery's custom binding. You can use bind or live to subscribe to an event (you can also use on after 1.7). The Code is as

BOM for learning in July 15, bom for July 15 SetTimeout () // latency, only one Code Execution ClearTimeout () // clear the presenter   SetIntervla () // timer, which executes the code once according to the specified time interval ClearInterval () //

JavaScript scope closure (JavaScript you Don't know) JavaScript closure is a deep understanding of JavaScript development engineers. In March, I wrote my blog "JavaScript closure", which briefly described the working process of the closure and

Nodejs uses mailer to send emails In practical applications, sometimes you need to push messages to you in a timely manner when the server has special information, so that you are prepared and processed. There are a large number of servers in the