JavaScript

Wishing you 2018 Happy New Year, a creative script was discovered shortly beforeJtsql (written in Java)The Open source address is:Https://github.com/noear/JtSQLJtsql Features:*. combination of JS, SQL, template concept;*. Keep the syntax

JavaScript Overview of JavaScript history 1992 Nombas developed the embedded scripting language for C-minus-minus (c--), which was originally bound to Cenvi software, and renamed it Scriptease (the language that the client executes).

In principle, the browser is an insecure environment. The content of the early browser is static, the user surf the internet, generally pull the page to view. Later, with the development of the Internet, the browser provides a very rich user

Original: http://www.cnblogs.com/ziyunfei/archive/2012/10/04/2711551.htmlThe function of a multiline string is to improve the readability of the source code. Especially when you are working with a predefined long string, dividing the string into

DOCTYPE HTML>HTML>Head>MetaCharSet= "UTF-8">title>Custom Objectstitle> A custom object is a special type of data that is encapsulated by properties and methods. - Scripttype= "Text/javascript"> functionmethod1 () {var

variables [coercion] variables and functions must be defined before they are used.// goodvar name = ‘MyName‘;// badname = ‘MyName‘;[Force] Only one variable can be declared per var.Explain:A var declares multiple variables, which can lead to a

The second lesson on JavaScript charm-02VariableSpeaking of variables, we have to mention that we have a relatively old TV series called "Bao-Sky". Bao-Sky has a very powerful sword called "Imperial Sword", see Imperial Sword like to see the emperor.

Factory modefunction createPerson(name,age,job){ var o = new Object(); o.name = name; o.age = age; o.job = job; o.sayName = function(){ alert(this.name); }; return o;}var person1 = createPerson("tom",20,"trtr");var person2

A. JavaScript syntax directory Grammar Operation Conditional statements Looping statements Function Object Two. Specific content2.1 Syntax　　JavaScript code can be executed through the html/xhtml document. There are

1:switchKey fields: Switch (n), case, break, defaultSwitch (n): n is an expression or a variable that is used to match the various cases below, such as: At this point the day output is a number 5. Matched to case 5, the corresponding value is output.

ES6 solves Memory leakage through WeakMap. es6weakmap 1. Map 1. Definition Map Objects store key-value pairs, similar to Data Structure dictionaries. Compared with traditional objects, they can only use strings as keys. Map Objects can use any value

For this problem in the ES6 arrow function, the es6 arrow function this Brief Introduction: this in Arrow functions points to different functions defined by general functions. this in Arrow functions is defined by this when defining functions,

Js retains two decimal places. js retains two decimal places. This article is a small EditorJs retains two decimal placesThis is a classic problem that people often encounter. It lists the function writing methods and analysis of problems in various

The Vue references a third-party datepicker plug-in and cannot monitor the value of the datepicker input box. vuedatepicker I. background A third-party datepicker plug-in is used in the Vue project. After the date is selected, the vue cannot detect

Based on the axios encapsulation fetch method and call instance, the axios encapsulation fetch instance For basic axios usage, see the official axios website. // Dependent on axios to modify private ajax import Qs from 'qs' import axios from 'axios '

How to debug dynamic js scripts in the browser (illustration): js scripts Two days ago, I pulled the company's front-end code and found that the sources option of the developer tool did not list the js script I want to debug. Then I observed it,

The position tutorial of CSS, which is the easiest to understand. The position and positioncss of CSS are illustrated in ten steps.I think I have met CSS positon as a Web maker, but do I really know about it? I won't say that. At least I don't know

Jquery provides two methods to solve Chinese garbled characters in URL parameters. When passing parameters from page A to page B through A url, Chinese garbled characters occur when getting parameters in the URL. The correct method for parsing url

Jquery switches the sample code of different images There are many ways to switch between different images. This article introduces how jquery is used. The Code is as follows: # Sidebar div # live_chat { Background: url ("scroll/live_chat1.jpg

Solve the problem that the Vue uses mint-ui loadmore to implement pull-up loading and pull-down refresh. After a page is loaded using multiple pull-up operations, mint-uiloadmore Problems: This page is associated with two tabs. The four parts