Course Advanced  8453

Course Introduction："PHP Development Classification Technology Tutorial" explains PHP unlimited classification technology. Achieve a multi-level classification linkage effect.

Course Intermediate  75090

Course Introduction：The mysql tutorial "MySQLi Process-oriented Quick Start" is a video tutorial originally recorded by the PHP Chinese website. As an enhanced version of traditional MySQL, MySQLi is used more and more widely. According to programmers' programming habits, it is divided into two types: process-oriented and object-oriented. This set of courses is mainly process-oriented, and introduces commonly used functions in detail, including CURD. operate.

Course Advanced  22312

Course Introduction："Simple Voting System Tutorial for PHP Development" introduces how to create a simple voting system through PHP.

Course Advanced  10438

Course Introduction："A Simple Guestbook Tutorial on PHP Development" introduces how to create a guestbook with an administrator login interface through PHP, which can restore and delete messages.

Course Elementary  12169

Course Introduction："HTML5 Basics Video Tutorial" is suitable for self-study by novices who are just getting started! ! This course starts from the simplest HTML and extends to interaction with PHP and understanding of the HTML framework.

Course Introduction：v-if and v-for have different functions in Vue.js: v-if renders elements based on conditions, and the syntax is <div v-if="condition"></div>. v-for iterates through the collection and renders copies of multiple elements, the syntax is <div v-for="item in array"></div>.

2024-05-07 comment 0  1039

Course Introduction：Yes, v-if and v-for can be used together. Nest v-if inside v-for. v-for has higher priority than v-if, so v-if only takes effect on elements rendered by v-for. This allows conditional rendering of specific elements in a loop.

2024-05-07 comment 0  577

Course Introduction：The difference between v-if and v-for: 1. Different functions. The v-if instruction is used to conditionally render a piece of content. This piece of content will only be rendered when the expression of the instruction returns a true value; while v-for Directive to render a list based on an array. 2. The priorities are different. v-for has a higher priority than v-if. When judging if, v-for is judged before v-if.

2022-12-27 comment 0  3145

Course Introduction：Which one has higher priority, v-for or v-if? The following article will explain the priorities of v-for and v-if from actual examples and source code. I believe you will be enlightened after reading it.

2022-08-29 comment 0  3252