JavaScript

ECMAScript supports regular expressions through the regexp type.　　The creation of regular expressionsUsing Perl-like syntax, you can create a regular expression.var expression =/pattern/flags;The pattern section can be any simple or complex regular

1. Width and height of elements　　Take the width as an example element. The width of the style.width style, which is the width of the style sheet that is written in the element's row. element. clientwidth visible area width, style width

Stacks are an ordered set of rules that follow a last-in, first-out (LIFO) rule, such as a stack of books on a table that we can only put or fetch from.A queue is an ordered set of rules that follow a FIFO rule, such as queuing up first and leaving

' Use strict 'function getfuncname () { var callername; { =/(\w+) @|at ([^ (]+) \ (/g; Reg.exec (new Error (). stack); // run exec once and run to the second match Let Regresult = Reg.exec (new Error (). stack);

JavaScript to implement picture Carousel diagram

first, the object1.1 Creating ObjectsJavaScript is an object-based (object-based) language, and everything you encounter is almost always an object.A simple object to create:var People = { "eavan", +, getname:function ( { alert (this.

　Recent projects have encountered some of the JavaScript data types of judgment processing, the Internet to find information, and personally verify the various data types of judgment, here to do a summary!The data type in JS1. Numeric (number):

The basic rules that JavaScript circles become: All data are objects; To get an object, instead of instantiating the class, find an object as a prototype and clone it; The object will remember its prototype; If the object cannot

Tag: ASC uses the priority conditional arithmetic structure to reverse the calculation assignmentThe JavaScript operatorArithmetic operationsAddition Operator (addition): X + ySubtraction operator (subtraction): x yMultiplication operator

There are shallow and deep copies in many development languages, and here's a simple way to differentiate between them in JavaScript and the implementation of deep copies in jquery.Before you talk about shallow and deep copies, you should be aware

10 very useful SVG animation manipulation JavaScript librariesSVG can often be used as a cross-resolution video. This means that the sharpness of the image is not lowered on a high-score screen. In addition, you can even let SVG move up by using

The first part of the series focuses on how to "encapsulate" data and methods, and how to generate instances from prototype objects.Today's introduction is about five ways to "inherit" between objects.For example, there is now a constructor for an

Usually the most we use is to put an irregular array in order from large to small or small to large, but sometimes we may encounter an ordered array of chaos to achieve the effect of random sorting, this is what I want to introduce to you

JavaScript represents documents by document type. In the browser, document is an instance of the HTMLDocument object (inherited from document) that represents the entire HTML page. and the document object in the browser is also a property of the

Use JS and canvas to stop and play gif animations. HTML5 canvas can read image information and draw the current image. Therefore, image mosaic, blur, color value filtering, and many other image effects can be implemented. We don't need to be so

Style conflicts between Vue components and vue component style pollution 1. How is pollution produced? Thanks to Vue-loader, Vue can use componentized writing similar to Web Component,In most cases, we want the styles defined between components to

JQuery EasyUI combines the zTree tree structure to create a web page, jqueryztree JQuery EasyUI combines the zTree tree structure to create web pages. easyui is relatively simple to use. It encapsulates some functions of jquery and makes it easier

Icon font library (use CSS style to generate search, shopping cart, and other icons), and css Library Reference URL: http://fontawesome.dashgame.com/BASIC icon: You can use the Font Awesome icon in almost any place, just use the CSS prefixFa, And

Vue-cli and vue2.0vue-cli In vue, there are three main ways to implement Tab switching: using dynamic components, using vue-router routing, and using third-party plug-ins. Because the function completed this time is only simple switching components,

Sublime text 3 ctrl + B browser to start html, sublimetext Sublime text 2 and 3 can be used to quickly set browser startup. Here I will introduce how to disable the plug-in to start the browser.Step 1: Open Tool --> build system ---> new build