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This article mainly introduces an AJAX function encapsulated by native Javascript. It is extracted from actual projects and is easy to use, for more information about ajax operations, see the recent work. currently, the ajax function is encapsulated

[Javascript]Copy codeThe Code is as follows:/*** Pro_id: Product id* Brand_name: Brand* Pro_name: Product id* Price: price* Catalog: Model* Img: Image* File_name: File Name*/Var addHistory = function (pro_id, brand_name, pro_name, price, catalog,

Replace Interpolate|Sub|Scan|Truncate | gsub Interpolate: regards a string as a template and fills it with the object attributes. Sub: replacement is used to replace the substring specified before the string that matches the pattern

This article mainly introduces the use of Array in JS. For more information, see new Array () New Array (len) New Array ([item0, [item1, [item2,...] Method to use an array object: Var objArray = new Array (); ObjArray. concact ([item1 [, item2 [,...]

Many articles about the differences between the substr, substring, and slice methods have been found online, and the content is basically the same. Then, I moved the code in one of the articles to a local machine for testing and found that the test

Original articles, reproduced please specify the source, thank you!/* * The Tokenize function is the core function of the selector resolution, which converts the selector to a two-level array groups * Example: * If the selector is "Div.class,span",

In js, cookie operations are related to the storage and clearing time. We only need to set the cookie expiration time to control its storage, below I will summarize some tips for using cookies in js. Create and store cookies In this example, we will

Cookies are commonly used in WEB development. They can be used not only in js, but also in php. Next I will introduce a cookie operation class to read cookies, delete operation. Compared with javascript, it is easier to use backend php to operate

This article mainly introduces the information about random sorting of arrays in the JavaScript study notes. For more information, see Recommended reading:Array Summation Method for JavaScript learning notes Add, delete, modify, and query the array

The addition and deletion of js array elements have been confusing. Today, I finally found detailed information and gave me the code to test. ^-^ The addition and deletion of js array elements have been confusing. Today, I finally found detailed

Today teaches us a cool code, glittering map of China. Just need to use vue+vuex+axios+echarts to make this map dynamic update, let's take a look. I. Build the project and install the plugin # installation VUE-CLINPM Install vue-cli-g# Initialize

This article mainly introduces the code example of adding and deleting methods to and from JS array elements. This article provides an example of operating code directly, if you want to add or delete the js array elements, you will be confused.

A non-empty zero-indexed array a consisting of N integers is given.A triplet (X, Y, Z), such that 0≤x double slice.The sum of double slice (X, Y, Z) is the total of A[x + 1] + a[x + 2] + ... + a[y−1] + a[y + 1] + A[y + 2] +. . + a[z−1].For example,

First in this article: The first attempt to translate, original from codeproject (http://www.codeproject.com/jscript/Observer_Pattern_JS.asp) The first time I used Windows Live writer, beta version. The first time I wrote in my blog:

The judgment of input content, the judgment of the source of the event object and the use of the mathematical operations "+,-, *," can be learned by interested friends. Knowledge point: 1. Use of mathematical operations "+ ,-, *,/" 2. input content

Learning golang language (1): Hello World Learning golang language (2): Variable Learning golang language (3): Type-Boolean and numerical type Learning golang language (4): Type-string Learning golang language (5): Type-array Learning golang

I. array. Slice (START, end) method: Slice () is used to take part of an array and use it to copy the array. If the end parameter is omitted, the split array contains all elements starting from start to the end of the array. Use it to copy the

From the worry-free script collection, some are indeed good, more practical, it is worth collecting. How to extend the prototype object of Array Copy codeThe Code is as follows: // Delete the data in the array Array. prototype. del = function (n) {

Eq (index) obtains the position of the nth element from 0. Reduce the set of matched elements to a single element. The position of the element in the set of matched elements starts at 0 and goes to length-1. Return

Replace Interpolate | sub | scan | truncate | gsub Interpolate: regards a string as a template and fills it with the object attributes.Sub: replacement is used to replace the substring specified before the string that matches the pattern