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  • Remove spaces on both sides of the string (implementation code)

    Remove spaces on both sides of the string (implementation code)

    In daily work, filtering some special characters in the form is a very common function, such as requiring simple numbers to be entered in text, but users sometimes mistakenly enter some extra spaces or text mixed with other characters, which obviously doe
    2025-07-17
  • Complete parsing of filter usage in AngularJS

    Complete parsing of filter usage in AngularJS

    In the world of AngularJS, filter provides a way to format data. Angular also provides us with many built-in filters, and establishing custom filters is also quite simple. In HTML template binding {{}}, we use | to call filters. For example, we want to ma
    2025-07-17
  • The simplest way to implement Tab tab page switching in pure JavaScript (recommended)

    The simplest way to implement Tab tab page switching in pure JavaScript (recommended)

    Let me first talk about the most rustic method: Html:<div><h2 id="tab1" onmouseover="changeTab1()"> 1</h2><h2 id="tab2" onmouseover="changeTab2()"> 2</h2>
    2025-07-17
  • Summary of the use of the Enjoyment Mode in JavaScript design mode programming

    Summary of the use of the Enjoyment Mode in JavaScript design mode programming

    The Xiangyuan mode is different from the general design mode. It is mainly used to optimize the performance of the program. It is best to solve the performance problems caused by a large number of similar objects. The Encyclopedia pattern reduces the numb
    2025-07-17
  • javascript RegExp User Instructions

    javascript RegExp User Instructions

    1: How to create regular expressions 1. Text format, the usage method is as follows: /pattern/flags (i.e.: /mode/marks) 2. RegExp constructor, the usage method is as follows: new RegExp("pattern"[,"flags"]) (i.e.: new RegExp("modu
    2025-07-17
  • Detailed explanation of Javascript's new-free build instance

    Detailed explanation of Javascript's new-free build instance

    When I looked at the first step of jquery source code, I was confused about the creation of jquery objects. After thinking about it for a long time, I finally felt it. I recorded the first method here: var A = function(){return A.prototype.init();}A.proto
    2025-07-17
  • The usage of date function in Ext JS framework and the implementation of date selection control

    The usage of date function in Ext JS framework and the implementation of date selection control

    Ext.Date is a singleton that encapsulates a series of date operation functions and extends the functions of JavaScript Date. The following lists some commonly used functions. Basic function: Ext.Date.add(date, interval, value) Add or decrease time to date
    2025-07-17
  • Various methods of combining JavaScript numbers

    Various methods of combining JavaScript numbers

    Here is a simple article about some tips on using JavaScript arrays. We will use different methods to combine/merge two JS arrays, as well as discuss the advantages/disadvantages of each method. Let's first consider the following situation: var a = [
    2025-07-17
  • A brief analysis of the conversion of JavaScript Array and string (recommended)

    A brief analysis of the conversion of JavaScript Array and string (recommended)

    The Array class can be defined as follows: var aValues = new Array(); If the length of the array is known in advance, you can pass the length with parameters var aValues = new Array(20);---------------------------------------------------------------------
    2025-07-17
  • Solve problems encountered during the implementation of JS component bootstrap table pagination

    Solve problems encountered during the implementation of JS component bootstrap table pagination

    This article shares the problem of bootstrap-table pagination for your reference. The specific content is as follows: The server cannot get the form value, and there is no problem with querystring, but the request.form cannot get the value solution: This
    2025-07-17
  • Chapter 3: Bootstrap table and button functions

    Chapter 3: Bootstrap table and button functions

    Bootstrap, from Twitter, is the most popular front-end framework at present. Bootstrap is based on HTML, CSS, and JAVASCRIPT. It is simple and flexible, making web development faster. Key points of learning: 1. Table 2. Buttons In this lesson, we mainly l
    2025-07-16
  • A comprehensive understanding of JavaScript's data type conversion

    A comprehensive understanding of JavaScript's data type conversion

    First of all, since JavaScript is a weak-type language (weak-type languages ​​have no obvious types. They can automatically transform types according to different environments, while strong types do not have such regulations. Operations between different
    2025-07-16
  • AngularJs pop-up modal box (model)

    AngularJs pop-up modal box (model)

    Recommended reading: Detailed explanation of AngularJS modal dialog $modal is a service that can quickly create modal windows, create part of pages, controllers, and associate them. $modal has only one method open(options)templateUrl: the address of the m
    2025-07-16
  • Recommended login method for remembering password and enter key to login on JS

    Recommended login method for remembering password and enter key to login on JS

    <!DOCTYPE html><html><head><meta charset="UTF-8"><title>Press enter key to trigger an event and remember the account password </title><script>//方法一：// document.onkeypress=f
    2025-07-16
  • String inversion_JavaScript

    String inversion_JavaScript

    Today I was practicing the question on freeCodeCamp, and I encountered a question about string inversion. Reversing a string is one of the common interview questions in JavaScript. Maybe the interviewer will give you a string "Hello Word!", whic
    2025-07-16
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