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Js get the implementation code of the current function parameter object

Sometimes when encapsulating a control, many Js functions need to obtain the passed direct parameters or object parameters, so we need to judge the first object every time. Therefore, in order to facilitate encapsulation of a function here, we can obtain

2025-07-19
Detailed explanation of the usage of this keyword in JavaScript

This is a special object inside the function. This refers to the environment object based on which the function is executed (we will make additional explanations at the end of the article). The value of this is not certain before calling the function. Dif

2025-07-19
JavaScript simple method to determine whether the input content is legal

This article describes the method of javascript to simply determine whether the input content is legal. Share it for your reference. The details are as follows: Ideas for detecting whether the content entered by the user is illegal. 1. Define a legal char

2025-07-19
JS array operations (array addition, deletion, flip, turn strings, indexing, intercepting (slicing) slice, splice, combination of sequences)

POP deletes the last item and returns the value of the deleted element; if the array is empty, it returns undefinedvar a = [1,2,3,4,5];a.pop();//a: [1, 2, 3, 4]a.pop();//a: [1, 2, 3]a.pop();//a

2025-07-19
JS code (beta) for horizontal screen on mobile

I won't say much nonsense, I just pasted the code to you. The specific code is as follows:<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title> Document</title></head>

2025-07-19
Basic learning tutorial on prototype inheritance in JavaScript

In most programming languages, there are classes and objects, and one class can inherit other classes. In JavaScript, inheritance is prototype-based, which means that there are no classes in JavaScript, and instead one object inherits another object. :) 1

2025-07-19
Create a custom select based on Button dropdown in Bootstrap

I've been very busy with work recently and am revising a system. The project background was developed by MVC1.0, but the front-end part has been modified several versions, and the previous designers are very powerful, and they are both designing and f

2025-07-19
Detailed explanation of examples of combining Bootstrap with KnockoutJs to achieve pagination effect

KnockoutJS is a JavaScript-implemented MVVM framework. Very good. For example, after adding or decreasing the list data items, there is no need to refresh the entire control fragment or write JS addition and deletion nodes by yourself. Just define the tem

2025-07-19
JavaScript+Java method to save HTML pages into PDF files

Requirements are a function of exporting PDF. The multi-party running has finally been implemented. I have taken many detours, and I suspect that this method is still in a bend now. There is a jsPDF plugin that can directly generate pdf on the front end,

2025-07-19
Quick solution to the problem of garbled code in Chinese parameters method for page get request

For the get method, if there is Chinese in the request parameter, you can use the following method to process it: use the encodeURI() method twice: For example: encodeURI(encodeURI("Chinese")), and then use URLDecoder.decode("Chinese",

2025-07-19
First knowledge and application of cookies (js and jq)

What is a cookie-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

2025-07-19
JS implements a complete example of a date selector that is accurate to seconds

This article describes the implementation of a date selector that is accurate to seconds by JS. Share it for your reference, as follows: <script>// 主调用函数是 setday(this,[object])和setday(this)，[object]是控件输出的控件名，举两个例子：// 一、

2025-07-19
The highlight of the wonderful Bootstrap case sharing is comments! (Tabs, grid layout)

I learned bootsap today and gained a lot. I share a small case here. The specific explanations are all in the code, which is more intuitive. Look at the legend first<!DOCTYPE html><html lang="zh-cn"><head><meta charset="utf-8">

2025-07-19
JS remember to return page usage example based on cookie method

This article describes the use of js to remember the return page based on cookies. Share it for your reference, as follows: First, clarify the following concepts ①. Cookies with the same name, different domains or different paths, belong to different cook

2025-07-19
A thorough analysis of the understanding of with statements in JavaScript

JavaScript has a keyword with. The original purpose of the with statement is to provide a namespace sketching method for step-by-step object access. That is, in the specified code area, the object is called directly through the node name. The function of

2025-07-19

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