JavaScript

We all know that forEach in IE8 and earlier versions does not support js. How can we make IE8 or earlier versions support forEach? This article introduces the solution that IE8 does not support forEach. For more information about the code farmers,

This article introduces the very useful traversal functions each and map functions in jQuery, and compares the usage methods of these two functions. I believe this is very helpful to everyone, for more information about the coders, see. Each usage 1

The drop-down menu appears in the front-end development tutorial. We can use pure css to implement the drop-down menu, or use css and js to implement the drop-down menu, this article introduces the multi-level drop-down menu implemented by

During js development, we often encounter the mutual conversion between JS objects and JSON-format data d. This article introduces the mutual conversion between js objects and json objects, for more information, see. 1. Convert JS objects to JSON

In javascript, you can use the charAt () function to obtain characters at the specified position in a string. If you want to obtain the Unicode encoding of this character, what function should you use. The charCodeAt function in javascript can

The example in this article explains the automatic drop-down and complete operations in the javascript input box, similar to the prompts in Baidu and Google search boxes. The code in this article can be run directly on this website. You may try it.

We all know that radio Singleton in html. How can we get the selected value through JS after a singleton is selected? This article explains how to use js to obtain the value selected by radio single handler. For more information about the coders,

We can use document. form1.length to obtain the number of elements in the Form. form1 is the name value of the form. The following is an example of getting the number of elements in a form. For more information, see.

JS parses XML. First, we need to convert XML into JS objects. Generally, xml is either a file or a string. For different browsers, parsing XML files or strings is different. The first is to parse the xml string, and the second is to parse the xml

This article mainly introduces thinkPHP's method of implementing recursive loop columns and outputting infinitus in a tree structure, involving thinkPHP database queries, array traversal, string operations, and other techniques, for more information

This article mainly introduces the simple implementation method of the pop-up confirmation box before thinkPHP is deleted, and analyzes the effect of the front-end HTML section of thinkPHP combined with the js control pop-up box and the deletion

This article mainly introduces in detail php's function of uploading and cutting Images Based on CodeIgniter, which is of reference value, if you are interested, you can refer to the examples in this article to share with you the codeigniter image

This article mainly introduces jquery's code for switching tabs on a webpage with animation effects for the first time. It involves jquery's skills for controlling the dynamic conversion of page element attributes through the mouse click event,

Introduction when I first learned the word "closure", I was always overwhelmed. When I asked this question during the interview, it was also a vague answer. I always felt a layer of separation, I think this concept is amazing. If you can grasp it,

After going through a lot of project development, I found that more and more methods can be extracted and used as a public method. So how should we implement this idea in js? JS extraction from Public Functions After going through a lot of project

This article describes the detailed instance code of common JavaScript advanced (3) Tools (verification and general). For more information, see common JS tools (verification and General) // name verification. Var checkName = function (name) {//

I am a little white (really a little white) and I am studying the front-end by myself. Next I will talk about some Array Operations I have summarized during the learning process. If there are any errors, please let me know more about them, small

This article mainly gives you a detailed explanation of the Bootstrap modal window source code, and adds comments to each basic line, which has some reference value. If you are interested, you can refer Preface: The source code of the js plug-in of

The meteorological station staff commissioned you to analyze a group of data. Here, the precipitation of some cities around the world from January 1, January to January 1, December is collected from & quot; \ n & quot; separated, each city name is

The following small series will bring you an article on the improvements in JavaScript variables and function declarations. I think this is quite good. Now I will share it with you and give you a reference. Let's take a look at the phenomenon with