js code checker

In the process of writing and using the JS program, we often encounter a variety of errors, for a browser-dependent language, it is difficult to fully control its right at any time the correct operation. But we still have to make our own efforts to enhance our written JS program code robustness and security, as far as possible to reduce the likelihood of error. T

Look at a JS function first Copy CodeThe code is as follows: function Jsontest () { var json = [{' username ': ' crystal ', ' userage ': '},{' username ': ' Candy ', ' userage ': ' 24 '}]; alert (json[1].username); var json2 = [' Crystal ', '],[' Candy ', ' 24 ']; Alert (json2[0][0]); } This function, the first alert (json[1].username); "Candy" will be prompted. A JSON variable is an array object. So it

This article mainly introduces the use of Node. js is used to handle the encoding of front-end code files. It is easy to handle Encoding Problems in related class libraries of Node. If you need a friend, you can refer to how to use NodeJS to compile front-end tools, the most common operations are text files. Therefore, file encoding is involved. The commonly used text encoding methods include UTF8 and GBK,

The JS Code randomly generates the name, mobile phone number, ID card number, bank card number, and js bank card number. During development and testing, you often need to enter the name, mobile phone number, ID card number, and bank card number, which must comply with the format requirements and must not be repeated. You will search for various generators on the

This article mainly introduces the sample code for asynchronous upload using jquery. upload. js. If you need it, you can refer to the following resources to download: upload 1: jsp code: Import jquery. upload. js and jquery-1.7.2.js Add the

When Vue. js is used to display data, the original code is flashed on the page, and vue. js is flashed. I started to learn how to use Vue. js today, but I found a problem during the learning process, that is, when loading data on the page, the original code will flash. Visit

Jquery dynamically loads css. js files are easy to use, Example Method 1: The Code is as follows:Copy codeThe Code is as follows:$. Getscript ("test. js "); Method 2: The Code is as follows:Copy codeThe Code is as follows:Function

This article mainly introduces Node. for details about how to build a js barcode recognition program, refer to the following article. We will show you a very simple method to build a custom Node module, this module encapsulates the Dynamsoft Barcode Reader SDK and supports Windows, Linux, and OS X. At the same time, we will demonstrate how to integrate this module to implement an online Barcode reading application. More and more Web developers are ch

Code sharing of image carousel effects with thumbnails in js and js thumbnails This article describes the image carousel Effect of js with thumbnails. Share it with you for your reference. The details are as follows:This is a javaScript-based image carousel special effect code