JavaScript

Special Charactersin regular style, some characters have special usage: [ \ ^ $ . | ? * + ( ).They are special because they are used to enhance the regular matching function. Don't try to memorize them, and when we've all used them, you can easily

The Boolean, number, and string explanations are basic types, but the official note is that they are special reference types. As far as I can conclude, these three types are more special, either as basic types or as reference types. Why, see below.

The 1.+ number (unary plus operator), if placed before the value, will not have any effect on the value, but put in front of the other, it is equal to call number () to convert him to a digit, the Boolean value false is converted to 0,ture is

The name of the variable is relatively not much technical content, today collation related to the principle of variable naming, mainly to tell you, although the name of no technical content, but for the personal code, or a team of the re-development

Http://www.w3school.com.cn/js/js_errors.aspThe Try statement tests the code block for errors. the catch statement handles the error. The throw statement creates a custom error. mistakes are bound to happen .When the JavaScript engine executes

I. Use of 　Note : a, The direct introduction of the JS parsing is from top to Bottom.B. when using " string anywhere in your Code. For example, the browser will generate an error when loading the following code: ' );} Because in accordance with the

W3C box and IE box model, w3c box ie Box Model: Content, padding, margin, and border) The content section of IE calculates border and padding. Example: A box Margin is 20px, border is 1px, padding is 10px, The content width is 200px and the

Casual -- pseudo-class selector: The difference between nth-child (n) and nth-of-type (n !!!, Nthoftypen Not much talk! Answer the question !!! I. E: nth-child (n) // select the (n) element in the parent element. if the nth element is E, it is

AngularJS displays the database information by PAGE and angularjs displays the information by page. Next, I will explain the AngularJS built-in service $ location and its functions in the first article. Section 2:Display by PAGE You can use the

The gridline drawing method implemented by jQuery, jquery Grid This article describes how to draw grid lines implemented by jQuery. We will share this with you for your reference. The details are as follows: As follows: The Code is as follows:

Native JS package ajax to transmit json, str, excel File Upload and submission form (recommended), ajaxjson Because the project needs to set the header information before submitting ajax, jquery's ajax implementation cannot be achieved. We

Article 6 Bootstrap table style introduction and Article 6 bootstrap table Basic table: User Name password aha 1111 InAdd tags.tableClass can give it a basic style, a small number of inner padding and horizontal separation lines. The

Article 8 Bootstrap drop-down menu instance Code, Article 8 bootstrap Let's talk about my implementation idea: Give div A class "dropdown" and put the drop-down menu in this div to display the bootstrap drop-down menu. Dropdown Regular

CSS makes triangles and buttons, CSS makes trianglesYou can use the border style knowledge point in the previous blog post to create triangles and buttons in CSS. Let me first talk about how to create a triangle. I believe that you will see some

JQuery hover text prompt box plug-in jquery. tooltipster. js usage example [demo source code download], tooltipsterdemo This document describes how to use jQuery. tooltipster. js, A jquery hover text prompt box plug-in. We will share this with you

JavaScript Array-Array method summary (recommended), javascriptarray The Array type in JavaScript is frequently used. The Array type also provides many methods to meet our needs. Let's summarize the following: 1. method for creating an Array Var

JQuery implements the code (recommended) to show the drop-down box when the cursor passes through the shopping cart. jquery drop-down box I have been studying the web Front-end for some time and recently learned the jQuery library. I am deeply

Explore ES6 Proxy in detail, explore es6proxy Preface In ES6, the Proxy constructor is an accessible global object. You can use it to collect information about request operations between objects and the actions of various operation objects, and

Implement the image and text effects of AD carousel Based on bootstrap, The Code is as follows: bootstrap-based carousel advertisement page, with images and text fourth-generation Intel Core processor no matter what the

In-depth understanding of the lexical and dynamic scopes of the second part of javascript scopes, and javascript lexical Previous Most of the time, the main cause of confusion on the scope is that it is unclear whether to search for variables based