Making a round progress bar of music player

Understanding of key points stroke-dasharray Stroke dasharray is used to create dashes, indicating the length of the dashes and the spacing between each dashed line stroke-dasharray = '10' //It means that the dotted line is 10 in length and 10 in spacing, and then repeat the dotted line 10 in length and 10 in spacing stroke-dasharray = '10, ...

Posted on Thu, 04 Jun 2020 13:52:16 -0400 by Japet

JS Custom Mobile H5 Keyboard

When entering the license plate number, because many of the license plate numbers are mixed with numbers and letters, it is a bit cumbersome to switch numbers and letters frequently when using the input method. Here we use a custom pop-up box instead of a keyboard. 1. First of all, to prevent the text box from popping up the input method, here ...

Posted on Thu, 04 Jun 2020 12:08:55 -0400 by WeAnswer.IT

Data storage (JSON file storage, CSV file storage)

1.2 JSON file storage The full name of JSON is JavaScript Object Notation, that is, JavaScript object markup. It represents data through the combination of objects and arrays. It is a lightweight data exchange format with a very high degree of structure.1.2.1 objects and arrays Object: it is wrapped ...

Posted on Thu, 04 Jun 2020 09:36:15 -0400 by crusty76

es6 new syntax

What is ES6 ECMAScript, the abbreviation of ECMAScript, is the standard of JavaScript language officially released in June 2015, officially named ECMAScript 2015 (ES2015). Its goal is to make JavaScript language can be used to write complex large-scale applications and become an enterprise development ...

Posted on Thu, 04 Jun 2020 09:04:56 -0400 by haaglin

Angular from entering to digging - route guard's company

1, Overview The sixth part of the notes recorded by Angular in the pit introduces the related knowledge points about route guard in the Angular routing module, understands the commonly used route guard interface, knows how to realize the specific functional requirements by implementing the route guard interface, and realizes the lazy loading of ...

Posted on Tue, 02 Jun 2020 21:44:43 -0400 by Michael_zz

Using lazy delete and timed delete to realize the local storage cache that can expire

Introduction to localStorage Use localStorage to store data for key value pairs in the browser. sessionStorage is often mentioned together with localStorage, which can store the data of key value pairs in the browser. But the difference between them is: the data stored in localStorage can be kept for a long time; when the page session ends (tha ...

Posted on Sun, 31 May 2020 21:56:24 -0400 by systemtek

ASP.NET How to upload files and handle large file upload in core MVC

Binding interface with file model: IFormFile (small file upload) When you use the IFormFile interface to upload files, be sure to note that IFormFile will read all files in an Http request to the server memory before triggering ASP.NET The Action method in the Controller of the core MVC. In this case, it's OK to upload some small files, but ...

Posted on Sun, 31 May 2020 10:10:23 -0400 by BeastRider

Properties and methods of dom objects -- lebyte java

DOM object < font color = "red" > DOM < / font >: Document Object Model In order to achieve the dynamic interaction effect of the page, bom operation is far from enough, and html operation is the core. How to operate HTMs is dom. Simply put, DOM provides a program to dynamically control the html interface. DOM (document o ...

Posted on Sat, 30 May 2020 18:17:56 -0400 by md_grnahid

Code Kata: four operations of big integer -- javascript implementation of division method

Division can't be calculated by manual algorithm. Its basic idea is to do subtraction repeatedly to see how many divisors can be subtracted from the dividend, and the quotient is how much. Division function: If the former absolute value is less than the latter, it will return to zero directly In subtraction, you don't need to subtract one by o ...

Posted on Fri, 29 May 2020 12:14:22 -0400 by behrk2

jQ effect part -- jQuery Color animation color animation extension

jQuery's animation method supports the transition of various attributes, but it does not support the transition of colors by default. This plug-in is just to supplement this! PS: the plug-in supports RGBA color transition, but please note that the version below IE8 does not support RGBA color. The following properties are supported: c ...

Posted on Fri, 29 May 2020 11:30:37 -0400 by Adam_28