JavaScript

As for me, self-study JavaScript and no other language learning experience, in the beginning, JavaScript debugging is also a big difficulty, a lot of basic things need to find their own, the process is very depressed. Think of the opportunity will

In my development work, I often encounter situations where it is necessary to determine whether a function is a JavaScript native function, and it is sometimes a necessity to know if the function is provided by the browser itself or by a third party,

The examples in this article describe the use of JavaScript wrapper objects. Share to everyone for your reference. The specific analysis is as follows: A JS object is a compound value: it is a property or a named Worthy collection. Refer to the

This article introduces in detail the various function calls in JavaScript and its principle, which is helpful to understand the function of JavaScript. JavaScript, 5 ways to call a function Again and again, I've found that the bug-coded

Introduced In the software system, sometimes faced with the creation of "a complex object", it is usually composed of the child objects of each part by a certain algorithm; Because of the change of requirements, the various parts of this complex

Before you do something, be clear about the benefits of doing it, and believe that no one is willing to do things for no reason at all. Generally speaking, when we are designing a class, in fact, you want to reduce the repetition of the code, the

The following table is described in the previous blog, and the list is the simplest structure, but if you want to deal with some of the more complex structures, the list is too primitive, so we need some kind of similar but more complex data

No technical content, just used to practice code logic. For the clarity of the code structure, I write the logic control part in the global variable, the user interface operation is encapsulated in the UI object, presumably. For reference only. At

The example of this article describes the implementation of the JavaScript list box listbox selection and the inverse selection method. Share to everyone for your reference. The specific analysis is as follows: Through the JS code to select and

When it comes to the class inheritance of JavaScript, the prototype chain is inevitable, but the inheritance through the prototype chain has many defects. Problems with no parameter class inheritance Let's take a look at a sample code to realize B

Today we have a comparison of the efficiency of the different array methods on chrome, and the results are as follows: The code is as follows: var ret; var o = [1,2,3]; var tostr = {}.tostring; var array = {}; array["[Object Array]"]

The example in this article describes the way JavaScript limits the size of a picture display. Share to everyone for your reference. The implementation methods are as follows: /** * Limits the size of the picture display. * * @param thisobj

This example describes how JavaScript calculates dates within two date and time periods. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: /************************* * Calculate

The example in this article describes a method that the JavaScript Control table column does not display. Share to everyone for your reference. The implementation methods are as follows: 1. Table Code Copy Code code as follows:

Through arrays, expanding string stitching can lead to performance problems Copy Code code as follows: function StringBuffer () { this.__strings__ = new Array (); } StringBuffer.prototype.append = function (str) {

When looking for how to design a JavaScript API, I found the method chaining this thing, the chain of methods, it seems to be very powerful and interesting, and this is what we used to see in the past. Javascript Method Chaining On Wikipedia,

The example in this article tells you how JavaScript uses this variable to quickly find out how the user selects the radio button. Share to everyone for your reference. The specific analysis is as follows: The following JS code through the This

This article illustrates how JavaScript implements dynamically adding Li elements to the ol list. Share to everyone for your reference. The specific analysis is as follows: JavaScript to the OL list of dynamic Add Li element method, the following

The examples in this article describe the way pure JavaScript implements Ping. Share to everyone for your reference. The implementation method is as follows: function Ping (IP) {var img = new Image (); var start = new Date (). GetTime ();

The code is very simple, the implementation of the function is very practical, directly to the code Css: Copy Code code as follows: pull to Refresh Html: Copy Code code as follows: 1 2 3 4 5 6 7 8 9