JavaScript

Today, when we changed the code, I found that many loops of code were written in the for (var i-in data), and I usually use the for (Var i=0;iJust looked at, the original two are different, can not be equated with the use.We see a () will pop up

Transfer from Https://zhuanlan.zhihu.com/p/23265155?refer=dreawer The front-end how to learn, should vary, others ' methods may not be suitable for themselves.Let's talk about my study method.I put most of my time on learning JS. Because of

About reverse referencingCopy the code code as follows:Test functionfunction Matchreg (Reg, str) {var result = Str.match (reg);if (result) {Console.dir (result);} else {Console.log (' match failed ');}}var reg =/([a-za-z]{0,6}) \1/;var str = '

Record of learning data structureA list is a finite sequence of data items, that is, a set of data items arranged in a certain linear order, the basic operations on such a data structure include the lookup of elements, the insertion, and the

1. Point the Prototype (prototype) to the object (inheritance)var Student = { ' Robot ', 1.2, function () { Console.log ( this. Name + ' is running ... ');} ; var xiaoming = { ' xiaoming '= Student; // for demonstration

Chapter One A brief history of JavaScript 1.1 JavaScript's originsJavaScript was developed by Netscape and Sun. The first version of JavaScript, the JavaScript1.0 version, appeared in the 1995 launch of the Netscape Navigator2 browser. JavaScript is

1. The pop() function is used to move the last element in the group; the shift() function moves the first item in the array, and unshift (moves in) an element to the head of the arrays.For example:varMyArray = [["John", at],

A problem was encountered while writing the bubbling Sort:functionbubblesort (arr) {vartemp = 0; Console.log ("incoming array:"); Console.log (arr); for(vari = 0;i//Cycle arr.length-1 TimesConsole.log ("outer section" +i+ "secondary cycle =======

When jQuery Easyui datagrid editor is combobox, specify the data source instance, jqueryeasyui It is very convenient to introduce combobox when adding and editing operations to the internal application of the datagrid row. When introducing combobox,

Use jQuery. ajaxSetup to filter request and response data. I don't know if the students have the same experience in the project process? When using ajax, You need to filter Request Parameters and response data. For example, you think that the

Multiple bootstrap style progress bars and bootstrap progress bars We have shared a variety of bootstrap progress bar styles for your reference. The specific content is as follows: 1. Default progress barAdd a class. div SS div, add a class in it.

Bootstrap style and drop-down menu Background Color bg-primaryFont color text-primary Text center text-center Button btn-primary btn-default btn-linkThe default button size is md btn-lg/sm/xs.Input box size: input-lg/sm/xsStatus active/disabledBox

Custom development style specifications (continuously updated) and style updates * {Margin: 0; padding: 0} button, input, optgroup, select, textarea {color: inherit; font: inherit; margin: 0;} button, html input [type = "button"], input [type =

Explanation of this keyword in javascript, and javascript keyword No matter what knowledge we learn, we are used to listing the learned knowledge into a list, which will help us to clarify our ideas and be a good way to learn. It is strongly

Js implements an example that is compatible with the div drag effect on the PC side and mobile side, jsdiv Some time ago I wrote a simple div drag effect. unexpectedly, the project just needed a similar requirement yesterday and it was easy to use.

JS cycle li add Click Event (Closure application), jsli If you don't talk much about it, paste the Code directly. The specific code is described as follows: Var aLi = document. querySelectorAll ('. article-tab li '); for (var I = 0; I The above

Magnetic Adsorption Effect of javascript Animation: javascript magnetic Adsorption Previous In the previous article, we introduced the javascript animation's simulated drag-and-drop effect. However, in practice, it is often necessary to limit the

I have been studying bootstrap3.3.5 recently. I am confused about a problem.What exactly does it mean? There are very few Chinese documents on the Internet, but they do not express the most appropriate meanings. on GitHub, I found the relevant

Parse how js gets css styles and jscss styles 1. Get inline styles In this case, only the style attribute can be used to obtain and set the style, because element. the style attribute returns a set of style attributes and corresponding values

Shopping Mall product countdown instance based on javascript, javascript Shopping Mall Let's not talk about it much. Let's take a look at the instance Code together with the small Editor. Js: /*** Author: Black_Jay success * downCount: Countdown to