Introduction to web front end to practice: css3 foundation - selector + border and fillet + background and gradient

Css3 * * selector related:** Section > div direct child element selector div + article adjacent sibling selector (appears after element) div ~ article universal sibling selector (appears after element) Property selector: a[href] { text-decoration: none; } a[href="#"] { color: #f00; } /*Contains two and property values are separated ...

Posted on Sun, 05 Apr 2020 15:05:11 -0700 by ajcalvert

Common use of v-if in Vue

A small partner who has used Vue must have used the v-if attribute, but what is the main purpose of this attribute? What are its purposes? Here I summarize that there are generally two scenarios for using v-if: 1 - multiple elements display or hide an element through conditional judgment. Or multiple elements 2 - switch be ...

Posted on Sat, 04 Apr 2020 11:42:03 -0700 by Shawnaize

JavaScript DOM Event Model

JavaScript is an object-oriented and event-driven language. Event models are essential to DOM. Understanding event-driven mechanisms, event feedback, event bubbles, event capture, and event delegation can help us better handle events and write better code. Event Driven Mechanisms When an event occurs, we receive feedback from the event, whic ...

Posted on Sat, 04 Apr 2020 11:20:39 -0700 by RoBoTTo

javascript binding multiple execution functions for the same event

Binding event purpose: to solve the problem that multiple windows.onload exist in the page at the same time, the previous function will not be overwritten by the later function. Compatibility handling: IE mode: IE: attachEvent('event name ', function) IE: detachEvent('event name ', function) DOM mode:       &nbsp ...

Posted on Tue, 31 Mar 2020 17:23:08 -0700 by amylisa

Baidu map based on Android realizes the return of longitude and latitude information of input address

1 solution 1 The solution here is from Netizens article , for the input address information requirements: city name + specific address name.   If the input address information only has a specific address name and no city name, the longitude and latitude information may not be resolved. There is also the analysis of the longitude and latitude ...

Posted on Tue, 31 Mar 2020 15:26:40 -0700 by Nuv

Content table inserts and pastes plain text content

This article mainly introduces how to insert the input content at the cursor position or paste the plain text content at the cursor position when the div tag is set to contentable = 'true'. For the knowledge involved, please refer to the following: http://www.zhangxinxu.com/wordpress/2016/01/contentable-plaintext-only/ http://www.jb51.net/artic ...

Posted on Tue, 31 Mar 2020 07:41:25 -0700 by freakonaleash

HTML 5 plus js to read and write local files and get local file path

HTML5 provides an API for reading and writing files. The API for reading files is FileReader The code is as follows: Read local file <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <div> <input typ ...

Posted on Tue, 31 Mar 2020 05:31:34 -0700 by powergen

User defined select. It is forbidden to select according to a certain condition, forming the solution of event linkage

During these two days, in the company's project, phtml files are maintained. There is a mutual constraint and user-defined select. It took a long time to solve the problem. Here, the element attribute textContent is mainly used. We need to pay attention to 1> Sequence of events 2> Staging of event content status Th ...

Posted on Mon, 30 Mar 2020 13:27:46 -0700 by kevin99

Nginx forwarding matching rules that back-end programmers must not

Finishing some Java aspects of architecture, interview information (micro services, clusters, distributed, middleware, etc.), small buddy can be concerned about the official account [programmers], no way to collect their own. The interviewer was a bit confused when he said 9 kinds of distributed ID generation methods in one breath Intervi ...

Posted on Mon, 23 Mar 2020 03:30:03 -0700 by dtdetu

ASP.NET Open Source Import and Export Library Magicodes.IE Completes Excel Picture Import and Export

Magicodes.IE Excel Picture Import and Export To better iterate based on actual functionality, starting with the 2.2 Milestone Plan, we will iterate with community suggestions and ideas, which you can submit by clicking on this link:https://github.com/dotnetcore/Magicodes.IE/issues/46 Explain This tutorial focuses on how to import and export pi ...

Posted on Tue, 17 Mar 2020 17:54:40 -0700 by praxiz