The This in Javascript

Executing in the globalLet's see what this is in the global.first, in the browser :Console.log (this); // Window {speechsynthesis:speechsynthesis, caches:cachestorage, Localstorage:storage, Sessionstorage:storage,

Understanding of this in JavaScript

The this in JavaScript is not as difficult as it is legendary, and it's not that messy.Let us analyze, this is mainly related to its execution environment.In general, this is placed in the function body or in the executable JS code (except for the

Ways to identify your browser's JavaScript engine

Answer from StackOverflow, open this page Http://jsbin.com/opuvas can, this page is also the answer person wrote.QR code is this URL. The website has the statistic visit quantity, the author wants to know to how many people is useful, the suggestion

Simple Application of coffee order management based on jQuery and jquery coffee order management

Simple Application of coffee order management based on jQuery and jquery coffee order management This application mainly implements the following functions: 1. Enter the customer name in the table and select coffee. Click "Add" to upload the data to

Modify the BootStrap Datepicker plug-in to the default Chinese implementation method, bootstrapdatepicker

Modify the BootStrap Datepicker plug-in to the default Chinese implementation method, bootstrapdatepicker Bootstrap-datepicker is a very good time selection plug-in. By default, it displays dates in English. You can use the following several small

Implementation of bootstrap jquery dataTable asynchronous ajax refreshing table data, jquerydatatable

Implementation of bootstrap jquery dataTable asynchronous ajax refreshing table data, jquerydatatable Asynchronous request Var postData = {"env_name": new_env_name, "env_url": new_env_url, "env_desc": new_env_desc}; $. ajax ({type: 'post', url:

Simple implementation of js countdown function, js countdown

Simple implementation of js countdown function, js countdown This article provides examples of the specific js countdown code, mainly using the JS Date object and the timer setInterval for your reference. The details are as follows: countdown

A Brief Introduction to the usage of bind in jQuery, jquerybind

A Brief Introduction to the usage of bind in jQuery, jquerybind Bind Introduction The bind () method adds one or more event handlers to the selected element and specifies the function that runs when an event

JS: a simple method for determining whether a function exists. js judges whether a function exists.

JS: a simple method for determining whether a function exists. js judges whether a function exists. This article describes how to determine whether a function exists in JavaScript. We will share this with you for your reference. The details are as

JavaScript optimization and development tips and tips

JavaScript optimization and development tips and tips I. Network Optimization YSlow has 23 rules. For Chinese characters, refer to here. These dozens of rules are mainly used to eliminate or reduce unnecessary network latency and compress the data

A quick solution to Bootstrap page reduction and deformation: bootstrap page Deformation

A quick solution to Bootstrap page reduction and deformation: bootstrap page Deformation Bootstrap layout is a Web page layout method that is widely used. For example, we use a layout that is very popular with intermediate content: 3-6-3 layout. The

WeChat applet sliding effect on the sidebar (sliding left and right), Applet sliding

Slide the side bar of the applet (sliding left and right) and slide the Applet Slide on the sidebar is a common feature, but soon after the applet came out, many special effects have not yet been proven and can only be rewritten in the native mode.

Examples of common JavaScript Regular Expression verification functions: [age, number, Email, mobile phone, URL, date, etc.], javascriptemail

Examples of common JavaScript Regular Expression verification functions: [age, number, Email, mobile phone, URL, date, etc.], javascriptemail This example summarizes common Regular Expression verification functions in JavaScript. We will share this

Details about ajax. load () method in jQuery, jqueryajax. load

Details about ajax. load () method in jQuery, jqueryajax. load JQuery load () method The jQuery load () method is a simple but powerful AJAX method. Load () method loads data from the server and puts the returned data into the selected

Sample Code of the jQuery image carousel Function

Sample Code of the jQuery image carousel Function The jquery carousel Image Code is as follows: image carousel ● ● ● The above is the sample code of the jQuery image carousel function introduced by

Set the timeout (timeout) method when BootstrapTable requests data. connecttimeout times out.

Set the timeout (timeout) method when BootstrapTable requests data. connecttimeout times out. When you use bootstrapTable to obtain data, sometimes the data cannot be obtained in time due to network or server reasons, and the page is always waiting.

Using CSS, JavaScript, and Ajax to pre-load images, cssajax

Using CSS, JavaScript, and Ajax to pre-load images, cssajax Pre-loading images is a good way to improve user experience. When images are pre-loaded into the browser, visitors can smoothly surf your website and enjoy extremely fast loading. This is

The secret hidden by WeChat mini-app devtool

Secret hidden by the applet devtool Applet devtool The development of the mini-program project that I participated in is also coming to an end, and the pitfalls are also coming to an end. I will not be able to work out any functions that are not

Empty, remove, and jquerydom for DOM Node Deletion in jQuery

Empty, remove, and jquerydom for DOM Node Deletion in jQuery Preface I just learned new things recently. Although it is a small knowledge point, I can't help but share it with you. The content of this article is mainly for beginners. If you have any

Canvas to draw the effect (code sharing), canvas

Canvas to draw the effect (code sharing), canvas For more information, see the code: Kaleidoscope The above is all the content of this article. I hope this article will help you in your study or work. I also hope to provide more support

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