JavaScript

0x00: CauseFirst of all, I learned the original intention of JavaScript, I am currently engaged in the security industry, can now tap some of the basic XSS vulnerabilities, but want to understand the XSS, need to have javascript basis, such as

One: Grammar rulesThe 1.RegExp constructor creates a regular expression object that matches the text to a pattern .2.REGEXP is made up of two parts①pattern（正则表达式的文本）　　② flags（　　　　g:Global match; Find all matches, not stop after first

Use the link as follows. After clicking in Chrome, the behavior is expected, but a new tag card will be opened under IE (according to reference, Firefox has the same problem).testAfter looking for information, found to be resolved as follows.Block

Introduction:Front-end code is a direct burst in the browser, many web attacks are directly debug business logic to find vulnerabilities to attack, in addition to some like "for nothing" molecular violence to steal other people's web page simple

JavaScript objectsAll things in JavaScript are objects: strings, numbers, arrays, functions ...In addition, JavaScript allows custom objects to be customized.All things are objectsJavaScript provides multiple built-in objects, such as String, Date,

I. Type of Object1.1 How to create ①new keyword: var person = new Oject ();② Given direct volume:var person = {name: ' Zhangsan ', age : ' 18 '}1.2. Access mode: One for the object Point property name "Person.name" or use the brackets "person["

To stitch strings in JavaScript, you can concatenate multiple strings with the ' + ' sign: In ECMAscript6, there is another way of string concatenation: That is, you can use ${} to stitch up the values of two variables, where the entire string

JavaScript converts a numeric array into a function array (each function pops up the corresponding number)varArrnum = [2,3,4,5,6,10,7];varArrfun = [];functionChange (arr) {varFun =function(val) {return function(){ returnVal; }; }

Less than 200 lines of JavaScript code to implement the Rich Text Editor method, 200 lines of javascript Some time ago, I was searching for some information about the Rich Text Editor and found this project named Pell, which is a WYSIWYG text editor.

JS Date object and get system current time details This article mainly introduces the JS Date object and obtains the current time of the system. If you need it, you can refer to it and hope to help you. I. Date object One object every day. Let's

Simple Map implementation in javascript This article describes how to use javascript to implement a simple Map. You can obtain, Judge, delete, and add a map. The Code is as follows: /* * MAP object to implement the MAP function * * Interface: *

React Native uses the sample code of Fetch to send network requests, reactfetch HTTP requests are usually used in projects to access the network. HTTP (HTTPS) requests are generally divided into "GET", "PUT", "POST", and "DELETE ", if not specified,

Calculation attribute usage in vue and vue instance method example, vue instance This article describes how to use vue computing attributes and how to use vue instances: Calculation attribute Expressions in templates are very convenient, but they

Sample Code for angularjs to implement timeline effects, and angularjs sample code 1. Import package Introduce the angular-timeline package. : Angular-timeline.zip Introduce in index.html If it is referenced in app. js, it will be ineffective if it

HTML Tag, simple induction, html Tag Induction List tag Ordered list: Unordered list: // attribute: font-weight font width   Table: // td column of the tr row HTML5 new tag 1. // draw a tag similar to a photo wall Eg: orange /

Three Tips for improving web page performance and improving web page skills1. Set the display attributeFirst, set the element to display:None(Needs to be re-painted once), Then perform 100 operations on the node, and then restore the display (one re-

Talking about node. js database Exception Handling, talking about node. js Exception Handling This article describes how to handle node. js database exceptions: NodeJs version: 4.4.4 Database Link error It is the most troublesome to use nodejs to

[Original dry goods] the root cause of garbled web pages and the root cause of dry goods First look at the code segment: webpage encoding In the HTML code, specifies that the webpage is encoded as UTF-8.Web Code involves many knowledge

How to Use quill-editor with style editor in the Vue project, vuequill-editor By default, vue-quill-editor inserts an image directly into base64 and then into the content. If the image is large, the rich text content will be large. Insert a video

Details about Angular2 form-Template-Driven Forms ), In web development, form estimation is the most commonly used one, and it is also the most troublesome and prone to problems. In a slightly more complex application, in addition to using form