JavaScript

Node. js flexible path Node. jsroute (Routing) defines the router. js file Node. js route (Routing) Define the router. js File [Code] var http = require ('http'); var url = require ('url'); function start (route) {var onRequest = function

Callback Function (asynchronous non-blocking) callback function (asynchronous non-blocking) Main. js File [Code] // introduce the file module var fs = require ('fs'); // read the test.txtfile fs.readfile('test.txt ', function (err, data) {if

Node. when a global Object in js is global, all global variables are the attributes of the global object. in js, we can directly access the global attribute without including it in the application. Learning points: -_ Filename -_

This is an Elastic Circular menu that can be dragged Freely based on jqueryui. You can click a circle button to bring up four sub-menu buttons. The elasticity effect is produced by anime. js, which is very cool. Brief tutorial This is an Elastic

The following small series will bring you a basic Javascript study note (cainiao must read ). I think this is quite good. Now I will share it with you and give you a reference. Let's take a look at what variables are? A variable is a container

Tutorial: JavaScript reinforcement tutorial-AngularJS instructions this article is the official HTML5 training for H5EDU institutions AngularJS expands HTML by calling the new attribute of the command. AngularJS uses built-in commands to add

This article mainly introduces the six-step JavaScript reinforcement tutorial JavaScript reinforcement tutorial-six steps 1. First create p and add a style to p To Script document. write (" "); For (var I = 0; I "); For (var j =

This article describes how to delete a DOM node in jquery. It describes how to delete a DOM node in detail, including the basic usage of empty () and remove () the differences between parameter usage and parameter-free usage, empty and remove,

With the development of front-end technology, front-end services become increasingly heavy, which greatly increases the amount of JS Code. Therefore, to improve the Web performance, we need to focus not only on the page loading time, but also on the

Create a UriBuilder object so that you can easily configure and adjust parameters for a URI. Create a UriBuilder object so that you can easily configure and adjust parameters for a URI. var builder = new UriBuilder('http://www.codewars.com')

Mr. Wang is always worried recently because a weight list of all members will be released over the past few days, and he is the fattest every time. My friend Tom and I are both members of the "Weight Loss Fitness Club. Mr. Wang is always worried

I used TurboC ++ 3.0 to write the Russian box under DOS, and later I used VB to write another version. This time, I decided to use JavaScript to write another front-end es6 project, which is not entirely painstaking. Technically, I want to try to

This article mainly introduces common methods for js Array Operations, including array creation, access to array elements, deletion of array elements, and copying of arrays, for more information about how to process JSON arrays in jquery, see

This article shares a jQuery-based code that selects all check boxes, does not select all, and does not select inverse functions. If you need it, you can directly remove it. This code is selected from a large number of jQuery check box function

This article introduces the filter of angularjs, and attaches an example to parse it for ease of understanding. It has good reference value. If you need it, you can see that the company uses ionic, which encapsulates Some APIs for webapp Based on

Generalized concept: All returned code blocks can be expressions. For example, the concept of 1 expression. Broadly speaking, all returned code blocks can be expressions. For example: Var a = 0; var a, B; a = 0; return value of this expression is 0;

The eval function executes a JavaScript code string in the current scope. Disguised eval Security Questions Conclusion The eval function executes a JavaScript code string in the current scope. var foo = 1;function test() { var foo = 2;

The equals operator is composed of two equal signs: JavaScript is a weak type language, which means that the equals operator performs forced type conversion to compare two values. Equal to operator Strictly equal to operator Comparison object

This article describes how to use the clip () method to achieve a searchlight effect. It has good reference value. Let's take a look at the following Section. This article introduces the use of clip () an example of how to achieve a searchlight

This article mainly introduces how to use the timer in js. If you need it, please refer to it. I hope to help you. This article mainly introduces how to use the timer in js. For more information, see. There are two dedicated timer functions in