webstorm javascript tutorial

This article ish5eduAgency officialHTML5 Trainingtutorials, the main introduction:JavaScript Intensive Tutorials--Object value passing and reference passingFunctionsetname (obj) {obj.name= "Tom";//Before execution, the Name property of obj and person at this time is undefinedobj1=new Object (); obj1=obj;//declares a global object, then obj, obj1, and person should be the same object at this time }//setname function is executed, the Obj object is destroyed and the remaining objects are still pres

javascript| Tutorial Using JavaScript in HoTMetaL 2. How to add a button to the menu barThere are several ways to run JavaScript macros. The first approach is to link the button of the toolbar to the macro and add the button to the HoTMetaL user interface, as we've already said in the previous section. The first metho

javascript| Tutorial Use JavaScript to produce mouse-move-past pop-up windows This tutorial describes the design of a window that pops up when you move the mouse over the picture. This pop-up window is a standard page and you can set it to size. First, add the following code to the Header tab of the page: So how d

Javascript methodsFor details, see the example of communication between Flash films.Starting from Flash MX, the local connection object can be used to send messages between flash. this allows two flash videos in the same HTML or in two browser windows to send messages to each other without using Javascript or fscommand.For details, see here: Use the local connection object in Flash MX)This site localConnec

Global Whether the object has the nature G. IgnoreCase Whether the object has the nature i. Lastindex The character position after the last match, used for multiple matches in a string. Multiline Whether the object is of a nature m. Source The source text of the regular expression. EXEC () Performs powerful, generic pattern m

The Javascript| tutorial uses JavaScript to create your own objects. Although the functionality within JavaScript and the browser itself is already powerful, JavaScript provides a way to create a new object. So that it does not need to be like Hypertext Markup Language, or o

React is the skeleton of a group of cattle x farmers in Facebook. Implements a virtual DOM, using DOM to add the required component seconds and eliminate unnecessary seconds. React plays the role of V in the MVC structure, but if you Flux with it, you have a very nice frame that makes M and V easy to sync, and Flux.components are In react, you can create a feature-specific component that you can't find in an HTML element, such as the Drop-down navigation in this

javascript| Button | create | tutorial using JavaScript to create a "back" connection it is fairly easy to implement a "back" connection in JavaScript. The function of this "back" connection is like the "Back" button in the Web page, you can use the following code: > When you're careful, you'll find that the

javascript| Tutorial Using JavaScript forms for validity testing The validation of a form is a useful aspect of JavaScript. It can be used to check a given form and find any problems in the form, such as a blank input box or an invalid e-mail address, and then it notifies the user and does not pass the wrong form to th

As an experienced Web application developer, you may be able to skillfully apply some server-side technology (or a variety of server-side technologies) to build Web applications. We have seen that over the past few years, server-side technology has developed significantly, server-side software development is becoming more and more easy, and more robust, in contrast, the client technology is basically left aside. This situation has been improved by the advent of Ajax technology, as developers now

";break;case5:x="Todayit'sFriday";break;case6:x="Todayit'sSaturday";break;} X running result: Todayit'sSaturday Default keyword Use the default keyword to specify what to do when the match does not exist: Instance If today is not Saturday or Sunday, the default message will be output: varday=newDate().getDay();switch(day){case6:x="Todayit'sSaturday";break;case0:x="Todayit'sSunday";break;default:x="LookingforwardtotheWeekend";} Running result of x Todayit'sSaturday The above is the content of the

JavaScript: Pay attention to the test method of the RegExp object in JavaScript. Javascript tutorial The RegExp object in javascript is used for operations related to regular expressions. This object provides a method test to determine whether a string meets a certain patter

Timing of JavaScript advanced tutorial (lesson 3) events and browser recognition With the increasingly rich JavaScript, we can develop more and more complex applications. In the last course, we learned how to use JavaScripts to write Cookies. Today we will learn how to add the timing function. The time-based timing function is very useful in browsers, and can

HTML Dom tutorial 49-javascript number object In JavaScript, numbers are a basic data type. Javascript supports the number object, which is the packaging object of the original value. When necessary, JavaScript will automatically convert between the original data an

" (x==y) in the strict comparison operation,=== is the identity of the operator, while checking the expression value and type, the following if conditional statements return false:var x=10;vary=;if (x===y) This error often appears in the switch statement, The switch statement is compared using the identity calculation character (= = =): The following instance executes alert popup: Varx=10;switch (x) { case10:alert ("Hello");} The following instances do not execute because of type inconsistency a

viewing CPU execution time and memory consumption:This is not familiar, do not say more, or please refer to the end of the link.Audits label pageThis is useful for optimizing front-end pages and speeding up page loading (quite with YSlow):Click the Run button, you can start analyzing the page, you can see the analysis results are finished:It can even analyze what CSS is not being used in the style sheet on the page:Console tab pageIs the JavaScript c

PhantomJS quick start tutorial (WebKit for JavaScript APIs on the server side) and phantomjswebkit PhantomJS is a WebKit-based server-side JavaScript API. It fully supports the web without the support of the browser. It is fast and native supports various Web standards: DOM processing, CSS selector, JSON, Canvas, and SVG. PhantomJS can be used for page automation

How to dynamically load events in the Javascript tutorial This article mainly gives a detailed summary of several methods for loading events in js. If you need it, please refer to it and hope to help you. Some methods to dynamically load javascript events sometimes We often need to dynamically add events in JS, which involves browser compatibility issues. The fo

primarily performance-optimized, including viewing CPU execution time and memory consumption:This is not familiar, do not say more, or please refer to the end of the link.Audits label pageThis is useful for optimizing front-end pages and speeding up page loading (quite with YSlow):Click the Run button, you can start analyzing the page, you can see the analysis results are finished:It can even analyze what CSS is not being used in the style sheet on the page:Console tab pageIs the

This article mainly introduces the use of JavaScript to achieve page redirection function of the tutorial, is the basic knowledge of JS learning, the need for friends can refer to the What is page redirection? When you click on a URL to access a page x, but inside you are directed to another page y, just because of page redirection. The idea is to refresh from a different